418 User Manual - Ten-Tec
Contents
1. 1 2 O 10 20 30 40 50 60 70 80 90100 NM PWR SWR RFD 1152253 HIGH FAULT TEMP 13 8V 2gB OVERDRIVE 4102 25 160 80 60 DLY ON 40 2 17 15 12 ied 10 6 J V J 1 Your new 418 1 1 Unpacking 418 Examine the 418 for signs of shipping damage Should any damage be apparent notify the delivering carrier immediately stating the full extent of the damage Save all damaged cartons and packing material Liability for any shipping damage rests with the shipping carrier 1 2 About this Manual A complete description of the features and functions on the 418 is included within the pages of this manual The latest version of the 418 manual is also available for viewing at www tentec com You may also find a full set of schematic diagrams at this same web location 418 Users manual Part 74468 Printed in USA 4 1 3 Accessory package The additional hardware and accessories listed in Fig 1 3 1 come standard with your new 418 Look over the items listed and refer to the 5 digit TEN TEC part number and description should you find the need to replace an accessory To purchase additional accessories and parts or to report an item missing from this list please contact Service at TEN TEC INC 865 428 0364 Qty Part Desc2. 5 Clock For use with 539 Input 6 Enable For use with 539 Input 7 Data For use with 539 Input 8 Amp Key Used to key Amplifier Table 3 1 ACC1 Pin out Release 1 03 December 12 2012 8 3 2 Power Anderson Power Pole connectors are used for the 13 8VDC nominal 15 input These connectors are rated for 30 Amps each The voltage source must be capable of supplying 23 amperes continuous duty 3 3 Fuse The fuse is an auto style 25amp 3 4 Antennas There are 4 50239 connectors on the rear of the 418 The 1 labeled RADIO is the RF input connection from the transceiver HF ANT 1 and HF ANT 2 are the HF antenna connections selectable from the front panel switch 6M ANT connector is always selected when 6 Meters is selected on the front panel S RED 0 ware Figure 3 5 1 418 Users manual Part 74468 Printed in USA 9 3 5 Key In Out The rear panel on the 418 has a 1 8 stereo jack for connection of a key input and key output The tip is used as the key input to key the 418 and the ring is used as a key out for other configurations The key out has a 4 millisecond delay to allow the amplifier s relays to engage to prevent hot switching The key out is not a relay It is a transistor switch rated for a maximum of 24 volts and 250 mA Note You can not use paddles to key this amplifier See Figure 3 5 for proper wiring See section 4 for other connections 1 8 stereo jack
3. 2 blue and 2 green To change the backlight press and hold the 80 Meter band button until multiple band buttons light 418 Users manual Part 74468 Printed in USA 7 Pressing the 160 Meter button will increase the red intensity pressing the 40 Meter button will decrease the red intensity Pressing the 80 Meter button will increase the blue intensity and pressing the 30 Meter will decrease the blue intensity Pressing the 60 Meter button will increase the green intensity and pressing the 20 Meter button will decrease the green intensity After setting the color and brightness pressing the DELTA button will save these setting and put the 418 in normal operation mode Release 1 03 December 12 2012 MODEL 418 O TEN TEC INC O SEVIERVILLE TN MADE IN USA O WWW TENTEC COM KEY ACC1 ANT ANT ANT OUT RING RADIO 1 2 6M FUSE m 13 8V DC 3 418 Rear Panel 3 1 ACC 1 The 418 is equipped with an 8 pin accessory connector Refer to following figure for the pin definitions as viewed from the rear of the The pin out and function are listed in the following table amplifier AMP KEY PF DATA 8 1 CLK 5 4 Figure 3 1 Pin out 418 Users manual Part 74468 Printed in USA Pin Name Usage Direction 1 Not used 2 Ground Grounding 3 Not used ENA 4 Not used
4. FILTERS POWER AMPLIFIER ANTENNA VR ATTENUATOR P RELAYS RELAYS Creme N 2 5 8 B REAR PANEL CPU 6 2 ANTI RADIO I PANEL F C DISPLAY 7 DISPLAY KGLKDATENA KEYPAD gt EEPROM eee KEY PAD 78 POWER O RELAY l 8 E 2 6 ANTENNA SWITCH 0 0 POWER SWITCH 418 Users manual Part 74468 Printed in USA 14 Release 1 03 December 12 2012 8 Case of Difficulty While we cannot cover every possible problem here are some hints for dealing with some potential difficulties Check the obvious Is your DC power source stable Check power supply all the cable and look for loose connector s Is the 25 ampere fuse loose or missing Antenna problems Try a dummy load Is a proper antenna connected Is there an external antenna switch connected and properly set Problem Distorted SSB transmit or Perceived RFI in the shack The ALC LED should flash on voice peaks but not remain continuously lit in SSB modes A frequent cause of a distorted SSB signal is inadequate RF grounding resulting in RF feedback Common RF grounding problems are no ground connection or too long a lead to a good ground Many problems relate to the lack of an RF station ground as contrasted with a safety ground connection We recommend bonding all equipment chassis together with short heavy metal braid or strap Make these connections from chassis ground lug to chas
5. TEMP 138V 2dB OVERDRIVE 7102 25 ATTN 160 80 60 DLY ON 40 30 20 ANT 1 17 15 12 iN fe 9 20 ANT 2 Figure 2 1 418 Front Panel 2 418 FRONT PANEL This section of your 418 Manual will discuss the front panel operations and adjustments 2 1 SWITCHES On Off power switch Used to turn on the amplifier In the off position the amplifier is in bypass mode In bypass the RADIO connector is connected to ANT 1 only Ant1 Ant 2 This switch selects either Antenna 1 or Antenna 2 The 6 Meter antenna is always selected when the amplifier is on 6 Meters 2 2 Band Buttons Individual band buttons are used for manual selection of one of the 11 bands If the wrong band was selected the 418 will count the incoming RF of 200 milliwatts or more and select the correct band 418 Users manual Part 74468 Printed in USA 6 2 3 Attenuator Button This button is used to reduce the input power to the amplifier when 5 watts or less can not be supplied When selected the button will light plus show either 0 2 4 or 6 db of attenuation on the display directly above the button To determine the value of attenuation this formula can be used Power in x db multiplier RF to amplifier db multiplier 2 625 4 400 6 2250 Example Power in 20 watts attenuator 6 db 20 x 250 5 watts The ATTENUATOR button can used to lower the output power of the 418 when less than 100 watt output is desired 2 4 Delay But
6. be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult TEN TEC service for technical assistance 865 428 0364 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 16 10 Addendum Added November 6 2012 change was made to the software of the 418 to permit customer to bypass the feature where the 418 will automatically select the 6 meter antenna and permit it to follow the two position switch for antenna 1 vs antenna 2 To change antenna selction for 6 meters Turn on the 418 press and hold button 6 The TX LED will flash 1 time to disable the 6 meter antenna and allow 6 meters to be on antenna 1 or 2 selected by the front panel antenna switch Press and hold the button 6 again TX LED will flash 2 times This will reset 6 meters to the 6 meter antenna This setting is retained through power cycles There is no visual indicator as to which method is chosen therefore the user needs to either remember how they have it set up when using the 418 as an amplifier or the user should press and hold the 6 button until the appropriate number of LED flashes indicating the
7. correct 6 meter antenna usage This feature is available in software version 418v1b203 This software started shipping with 418 units on November 5 2012 The 418 does provide the capability of being upgraded to this software version Please contact TenTec service to get instructions on how to perform this upgrade Part of the process entails the use of a Factory Service Cable It is imperative that once the upgrade is finished that the Factory Service Cable is disconnected prior to operating the 418 as an amplifier 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 17 Inc 1185 Dolly Parton Sevierville 37862 Repair Service 865 428 0364 LIMITED WARRANTY AND SERVICE POLICY U S A AND CANADA Ten Tec Inc warrants this product to be free from defects in material and workmanship for a period of one 1 year from the date of purchase under these conditions THIS WARRANTY APPLIES ONLY TO THE ORIGINAL OWNER It is important that the warranty registration card be sent to us promptly READ THE MANUAL THOROUGHLY This warranty does not cover damage resulting from improper operation Developing a thorough understanding of this equipment is your responsibility IF TROUBLE DEVELOPS we recommend you contact our customer service group directly at the address or phone number shown above It has been our experience that factory direct service is expeditious and usually results in l
8. Users manual Part 74468 Printed in USA 2 KEY OUT 3 GROUND Cable number 46216 Release 1 03 December 12 2012 10 Re CW AND SSB OPERATION MODEL 418 o INC o SEVIERVILLE TN MADE IN USA Q WWW TENTEC COM KEY ACC INTIP ANT ANT ANT OUT RING RADIO 1 2 SM FUSE Um T amp 8VDC 25A o MODEL 418 o INC o SEVIERVILLE TN MADE IN USA WWW TENTEC COM KEY 1 OUT RING RADIO 1 2 6M D i z FUSE gz 1387 DC RED WHITE UN AN KEYING FROM ACC1 KEY OUT KEY OUT KEY IN TRANSCIEVER KEYER FOOT SWITCH ECT TRANSCIEVER 1 KEY IN 2 KEY OUT 3 GROUND Cable number 46216 MODEL 418 TEN TEC INC SEVIERVILLE TN MADE IN USA WWW TENTEC COM 5 x FUSE 13 8V DG 25A CLOSURE FROM PIN 8 GROUND WILL O KEY 418 ACC OUT RING d 8 pin din connector number 35241 418 Users manual Part 74468 Printed in USA Release 1 03 December 12 2012 11 Dz 3 ACC 1 AMP KEY 47 A 0 DATA T1 5 Fault 5 1 Fault conditions When a fault condition occurs the 418 will go into bypass mode and display the
9. Wolf TEN TEC DR S M AL MODEL 418 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 1 Table of Contents 1 Your new 418 1 1 Unpacking 418 1 2 About this Manual 1 3 Accessory package 1 4 Connection to Antenna amp Power Supply 1 5 word about grounding 1 6 Philosophy of design 2 418 FRONT PANEL 2 1 SWITCHES 2 2 Band Buttons 2 3 Attenuator Button 2 4 Delay Button DLY 2 5 Delta Button 2 6 Leds 2 7 Display 2 8 Backlight 3 418 Rear Panel 3 1 ACC1 3 2 Power 3 3 Fuse 3 4 Antennas 3 5 Key In Out 4 Amplifier Connections 4 1 418 to 539 Argonaut VI 4 2 418 to Other Rigs 5 Fault 5 1 Fault conditions 5 2 List of fault Examples Specifications Block Diagram In Case of Difficulty NA Warranty amp Return Policy 10 Addendum A Added November 6 2012 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 2 Np AQ AQ 2 GO G NNNNA amp OG GQ RR RR BA Fa M M M Mo R S KY b bo c OS NOTES 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 3 TEN TEG
10. above Equipment returned to us will be given the same attention as domestic customers but round trip freight expense customs and broker fees will be paid by you 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 18
11. ay risk free trial period Any piece of equipment manufactured by TEN TEC may be returned undamaged within 30 days of purchase for a full purchase price refund less shipping charges customer pays shipping both ways If you want to return a piece of equipment purchased from TEN TEC please call the sales department at 865 453 7172 from 8 a m to 5 p m Eastern time Mon Fri and obtain a return merchandise authorization number Calling in advance for an RMA number allows us to quickly process your return and refund once your item arrives Ship return items with letter enclosed inside the box noting the RMA number and your name address and telephone number Return items are shipped to TEN TEC INC 1185 Dolly Parton Pkwy Sevierville TN 37862 USA Release 1 03 December 12 2012 FCC Compliance Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential Installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can
12. ess down time on the equipment Some overseas dealers do offer warranty service and of course have our complete support EQUIPMENT RETURNED TO THE FACTORY must be properly packaged preferably in the original shipping carton s You pay the freight to us and we prepay surface freight back to you Canadian customers must have proper customs documentation sent with incoming repair equipment Duties or fees charged to improper documenting are the responsibility of the owner of the equipment EXCLUSIONS This warranty does not cover damage resulting from misuse lightning excess voltages polarity errors or damage resulting from modifications not recommended or approved by Ten Tec In the event of transportation damage a claim must be filed with the carrier Under no circumstances is Ten Tec liable for consequential damages to persons or property caused by the use of this equipment TEN TEC RESERVES the right to make design changes without any obligation to modify equipment previously manufactured or to notify owners of changes to existing equipment THIS WARRANTY is given in lieu of any other warranty expressed or implied SERVICE OUTSIDE OF THE U S A OR CANADA Many of our international dealers provide warranty service on the equipment they sell Many of them also provide out of warranty service on all equipment whether they sold it or not If your dealer does not provide service or is not conveniently located follow the procedure outlined
13. mended for mobile and in home use to accommodate the required current demand during transmit Note Always enable the power source first and then the amplifier If a generator or battery connected to a charger is used to supply the DC source always turn off the amplifier before starting or shutting off the DC source equipment These recharging devices often generate large voltage spikes that can damage the amplifier 1 5 A word about grounding good ground system is essential for optimum operation of any HF transmitter The best solution is to connect all the station 418 Users manual Part 74468 Printed in USA 5 equipment to a single ground connection Information on grounding can be found in the ARRL Handbook A good ground system can contribute to the station efficiency in a number of ways including minimizing the possibility of electrical shock minimizing RF currents flowing on the shield of the coax cable causing interference to electrical equipment and transceiver accessories 1 6 Philosophy of design With the Model 418 Ten Tec has created a 100 watt solid state silicon MOSFET amplifier combining automatic or manual control for ease of operation in the 160 through 6 meter ham band Refer to the Block Diagram in SECTION 7 for the following discussion Receive signals are routed through the antenna connectors Ant 1 2 or Ant 6 along to the antenna relays then to the T R relays Signals then move on t
14. o the lowpass filter board and finally the Radio connector and transceiver Transmit signals are applied to the Radio connector and routed to the T R relays on the lowpass filter board and then to the input attenuator input power bridge and frequency counter This transmitted signal is applied to the 100 watt MOSFET amplifier and back to the lowpass filter to be applied to the correct filter and on to the antenna relays finally moving to the antenna connector Ant 1 2 or Ant 6 The PIC processor in the CPU module executes firmware to perform functions such as check input power and frequency enable bias to the MOSFET amplifier checking SWR current output power and temperature based on the inputs from the front panel buttons key in jack or data from the ACC 1 connector Cooling is achieved with the two internal fans that are controlled by the CPU that is monitoring the temperature of the MOSFET heat sink Release 1 03 December 12 2012 Z lt N TX 10 20 30 40 50 60 70 80 90100 PWR 16 SWR RFD 1152253 FAULT
15. part number 35263 KEYIN KEY OUT 1 8 stereo to 2 RCA jack part number 46216 NOTE HOT SWITCHING The 418 has built in hot switching protection When the 418 is keyed and has RF output if the key down line is then removed from the 418 the 418 will not switch back to receive until the RF has disappeared This prevents the T R relays from trying to switch high levels of RF 12 KEY IN 2 KEY OUT GROUND es Release 1 03 December 12 2012 4 Amplifier Connections 4 1 418 to 539 Argonaut VI The 418 can be interfaced to the 539 using only the 8 pin din cable The 539 will control band changes and keying the amplifier MODEL 418 o TEN TEC INC SEVIERVILLE TN MADE IN USA WWW TENTEC COM 8 PIN DIN TO 8 PIN DIN TEN TEC PART NUMBER 46174 ANT ANT OUT RING RADIO 1 6606060 Bass FUSE x d 4 2 418 to Other Rigs 1 8 key Jack provides key input and key output on the ring to allow the 418 to key other transceivers Some methods are shown below SSB OPERATION EXTERNAL KEYER STRAIGHT KEY FOOT SWITCH MODEL 418 TRANSCIEVER INC SEVIERVILLE TN MADE USA Q WWW TENTEC COM ACC lt ANT ANT ANT OUT RING RADIO 1 2 6M ME Ei KEY IN x O FUSE T 9 T88VDC RED 1 KEY IN 1 were 418
16. ription 1 46216 3 5mm to 2 RCA jacks cable 1 27091 Auto Style Fuse 25 Amp 32V 1 35241 8 PIN DIN Connector 1 35263 Plug Stereo 3 5MM 1 8 1 46174 8 PIN DIN TO 8 PIN DIN cable 2 41073 Fork Terminal 1 46214 Power Cable 1 74020 Warranty card 1 74468 Manual for 418 1 74450 How do become a TEN TEC Ambassador Table 1 3 1 418 Packing List Release 1 03 December 12 2012 1 4 Connection to Antenna amp Power Supply The 418 is designed for use with any antenna system providing 50 Ohm resistive impedance at the desired operating frequency Every effort should be made to ensure the impedance of the antenna system is as close as possible to the specified 50 Ohm value Note The GSRV type antenna and some Windom s do not provide 50 Ohm impedance on all HF Amateur bands and an external wide range antenna coupler may be needed with this type antenna Any antenna to be used with the 418 must ultimately be fed with 50 Ohm coaxial cable The 418 requires a source of well filtered and regulated DC voltage The supply voltage on the 418 is 13 8 Vdc nominal 15 to allow for mobile and battery operation The voltage source must be capable of supplying 23 amperes continuous duty The model 940 or 941 TEN TEC power supplies will meet or exceed your voltage current requirements We recommend using the included DC power cable P N 46214 Use of 12 stranded wire is recom
17. sis ground lug and connect the last piece in the chain feeding the antenna to a good earth ground This lead needs to be as short as possible Lengths near 14 wavelength on any band used can be particularly troublesome when the far end is connected to earth It is very important that the external power supply and the transceiver and all equipment with grounding lugs are properly grounded Another potential cause of distorted SSB arises when the station is in the near field of the antenna or on a second story room This is a problem many apartment dwellers face RF can also be induced on any unshielded wires Problem 418 power shuts off while transmitting The 418 is equipped with a silicon controlled rectifier that opens if the PA current draw exceeds instantaneous power of 418 Users manual Part 74468 Printed in USA 15 approximately 30 amps This will shut off power to the mosfet finals Excessive current draw can indicate a problem with excessive SWR due to antenna or feedline problems Power to the 418 can be restored by cycling the power switch off and on or the 13 8 Vdc source off and on If the above do not solve your problem please consult with our service department 865 428 0364 or service tentec com 9 Warranty amp Return Policy Warranty policy for Ten Tec products is covered on the last page of this manual FOR EQUIPMENT MANUFACTURED BY TEN TEC TEN TEC factory built radio equipment is sold under a 30 d
18. t 8 PIN DIN Connector Aux Key Clock Data Enable Ground Power Poles Automotive Blade Style Fuse 25 Amp 32V 160 6 meters Specifications apply within Amateur Radio bands only 50 ohms nominal 4 x SO 239 13 8V 15 0 50 degrees Celsius 3 625 x 6 5 x 7 6 excluding feet and connectors 5 4 lbs Molded plastic bezel aluminum chassis front and rear panels and texture painted steel covers Custom FSTN monochrome LCD 6 LEDS 100 W 1 dB continuous service 100W AM FM AFSK PSK Duty Cycle continuous service 100W 50 duty cycle Tx Rx 2 internal fans temperature controlled Cooling Harmonic amp Spurious Outputs 50dBc typical 100 W HF gt 60dB 6 METERS transmit 17 amps 30dB below peak Current Drain Third Order Intermod All measurements are typical Results will vary based on different Test Environment Tools and Test Methods Specifications are subject to change Release 1 03 December 12 2012 13 7 Block Diagram 13 8VDC KEY IN OUT 1 8 JACK ACC 1 8 PIN DIN REGULATORS POWER RELAY 5V 3 3V CONTROL FAN CONTROL 2 LOWPASS FILTER LOWPASS
19. ton DLY The delay button delays the transmit to receive transition keeping the amplifier in transmit mode longer during cw keying The amount of delay can be seen directly above the DLY button on the display Each press of Release 1 03 December 12 2012 DLY button will increase delay decrease delay press and hold DL Y button for 3 seconds The up arrow will turn off and the down arrow will turn on Pressing of the DL Y button will now decrease the delay 2 5 Delta Button When the delta button is pressed and lit the amplifier looks for data coming in on the ACC 1 connector for band selection If there Is no data the amplifier will remain on the band selected 2 6 Leds The TX led wil light to show when the amplifier is in transmit mode Another led mounted in the logo will light when the output power reaches approximately 80 watts 2 7 Display Visible on the display is a 10 to 100 watt bar graph for forward power and a 1 to 3 SWR bar graph The forward bar graph features a hanging peak dot to indicate peak output power Also above the 100 watt indicator is a long bar with a sign This is to let the operator know the output power is above 100 watts Ic refers to the current of Mosfet finals TEMP refers to the temperature of the heat sink Not always seen are the words OVERDRIVE and FAULT More on this in section 5 2 8 Backlight The LCD has 6 leds to backlight the display 2 red
20. word FAULT and what problem was found on the display To recover from a fault condition press any key on the front panel The only fault that this will not reset 15 FAULT To correct this problem cycle the power switch on the 418 off and on The SWR FAULT will only happen when the output power is over 50 watts An automatic antenna tuner can be tuned at power levels less than 50 watts without getting an SWR FAULT If all band buttons are flashing in transmit with no output power the 418 is trying to be operated outside of the ham bands To correct tune inside of the ham band on radio and press one of the band buttons on the 418 For unusual problems a master reset can be done Press and hold the ATTN button and turn on power release the ATTN button 5 2 List of fault Examples DISPLAY condition FAULT Ic 230 amps FAULT TEMP gt 85 degree C FAULT OVERDRIVE gt 10 watt in FAULT OVERDRIVE PWR gt 115 watts out FAULT SWR HIGH gt 3 5 1 swr 418 Users manual Release 1 03 December 12 2012 Part 74468 Printed in USA 12 6 Specifications Key Jack ACC Din Connector DC Power Connector Fuse Frequency Range Antenna Impedance Antenna Connectors Supply Voltage Range Operating Temp Range Dimensions HxWxD Weight Construction Display Display Backlight RF Power Output CW amp SSB Duty Cycle 418 Users manual Part 74468 Printed in USA 1 8 Stereo Tip Key in Ring Key ou
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