HP Stroller 11690A User's Manual
Contents
1. 180 mW Conversion Loss lt 13 dB Flatness with constant input level at 10 dBm input lt 4 dB total variation at gt 13 dBm input typically lt 2 5 dB total variation VSWR input and output typically less than 2 1 in a 500 system General Temperature Range Operating 0 to 55 C Non operating 40 to 75 C EMI meets MIL I 6181D for interference specifica tion Size 2 in L by 21 32 in Dia 64 mm x 17 mm Weight 2 ounces 56 grams Model 11690A Page 3 CONVERSION LOSS dB INPUT dBm Pc M M Figure 1 Typical Conversion Loss 11 INSTALLATION 12 Initial Inspection 13 Inspect the shipping container for damage If the shipping container or cushioning material is damaged it should be kept until the contents of the shipment have been checked for completeness and the doubler has been checked mechanically and electrically The contents of the shipment should be as shown on the front cover of this manual and procedures for checking electrical performance are given under PERFORMANCE TESTS If the contents are incomplete if there is mechanical damage or defect or if the doubler does not pass the electrical performance test notify the nearest Hewlett Packard office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as the Hewlett Packard office Keep the shipping materials for carrier s inspection The HP office wil2. and to enable the opera tor to vary the signal level from the doubler CAUTION Do not apply more than 22 5 dBm 180 mW to the doubler 25 Fundamental feedthrough see Figure 2 can be reduced if the second harmonic is removed from the doubler s input signal Use a lowpass filter between the doubler and the signal source that attenuates the fundamental signal s second har monic 26 PERFORMANCE TESTS 27 The specifications in Table 1 can be checked using the signal generator and spectrum analyzer listed in Table 2 Substitute test equipment can be used if its specifications meet or exceed those listed in the table 28 To check the doubler set the signal generator for a 10 dBm signal at some frequency f4 between 200 and 550 MHz Set the spectrum Model 11690A analyzer s amplitude controls to measure fj at 10 dBm and set the analyzer s frequency controls to span from f4 to the fourth harmonic f4 of f4 40 to 50 dB of input attenuation will be required with most spectrum analyzers Connect the signal gen erator s output to the spectrum analyzer s input and note the level of fy on the analyzer s display Then connect the doubler between the generator and the analyzer 29 To check conversion loss compare the level of fo now visible on the analyzer s display to the level of f4 noted above the difference should be 13 dB To check harmonic suppression compare the levels of f4 fg and f4 now vis
3. facility WARRANTY AND ASSISTANCE This Hewlett Packard product is warranted against defects in materials and workmanship This warranty applies for one year from the date of delivery or in the case of certain major components listed in the manual for the specified period We will repair or replace products which prove to be defective during the warranty period provided they are returned to Hewlett Packard No other warranty is expressed or implied We are not liable for consequential damages Service contracts or customer assistance agreements are available for Hewlett Packard products that require maintenance and repair on site For any assistance contact your nearest Hewlett Packard Sales and Service Office HEWLETT PACKARD SALES AND SERVICE OFi c s To obtain servicing information and order replacement parts contact the nearest Hewlett Packard Sales and Service Office in HP Catalog or contact the nearest regional office IN THE UNITED STATES IN EUROPE CALIFORNIA SWITZERLAND 3939 Lankershim Blvd Hewlett Packard Schweiz AG North Hollywood 91604 Rue du Bois du Lan 7 GEORGIA P O Box 85 P O Box 28234 CH 1217 Meyrin 2 Geneva 450 Interstate North Atlanta 30328 ILLINOIS IN AFRICA ASIA AND AUSTRALIA 9500 Howard Street Hewlett Packard Intercontinental Skokie 60076 3200 Hillview Ave NEW JERSEY Palo Alto California 94304 W 120 Century Road Paramus 07652 IN CANADA QUEBEC IN CENTRAL AND SOUTH AMERICA Hewl
4. 1690 80001 A1MP1 3050 0254 1 FIBER WASHER A1MP2 10534 4001 1 RUBBER TACK 28480 10534 4001 Ji _ 1 PART OF MP1 NSR J2 1 PART OF MP1 NSR MP1 10515 2002 1 DOUBLER BODY 28480 10515 2002 MP2 11690 20001 1 DOUBLER HOUSING 28480 11690 20001 MP3 3030 0007 2 SETSCREW 4 x 40 x 1 8 inch MP4 7120 0655 1 LABEL 28480 7120 0655 NSR Not separately replaceable Mfr Code 28480 Hewlett Packard Company Mountain View California 94040 72982 Erie Technical Products Erie Pennsylvania 16512 f FUNDAMENTAL INPUT SIGNAL d fo 2f4 f 4fi a f FUNDAMENTAL E FEEDTHROUGH f3 3f a OUTPUT ES SIGNAL FREQUENCY Figure 2 Signals Associated With Doubler Page 6 34 SERVICE 35 If the doubler s connectors have been damaged or have become worn or if the doubler won t meet its specifications because one or more of its electri cal components have failed the doubler can be disassembled the defective part can be replaced and the doubler can then be reassembled 36 Disassembly 37 Gently peel the label from the doubler hous ing taking care not to damage it Loosen the two setscrews that secure the housing to the doubler body and remove the housing 38 Troubleshooting 39 Use an ohmmeter to check continuity through the transformer windings A1T1 and the inductor A1L1 both should be approximately 0 5 ohms Also check resistor A1R1 Because of the circuit configuration A1CR1 4 cannot be checked with an o
5. HP 11690A OPERATING AND SERVICE MANUAL FREQUENCY DOUBLER 11690A JUNE 1973 HEWLETT iE PACKARD VO6SIL dH Page 2 1 GENERAL INFORMATION 2 The Hewlett Packard Model 11690A Frequency Doubler is an accessory for the HP Model 8640A B Signal Generator This manual explains how to use the doubler briefly describes tests that can be used to verify the doubler s specifications and explains how to repair the doubler 3 On the rear of this manual below the manual part number is a Microfiche part number This number may be used to order a 4 inch by 6 inch microfilm transparency of the manual 4 Specifications 5 The doubler s specifications are listed in Table 1 These specifications are the performance standards or limits against which the doubler may be tested 6 Description 7 The doubler utilizes a balanced diode quad to double the frequency of input signals that range from 200 to 550 MHz The diode quad is a full wave rectifier that generates a high amplitude second harmonic while suppressing the funda mental signal Model 11690A 8 The AM distortion frequency response and spurious signals in the doubler s output signal all depend upon the quality of the input signal For example if the input signal s second harmonic is high the output signal s fundamental feedthrough see Figure 2 will be high Therefore to fully realize the doubler s specifications the signal gen erator used wi
6. ett Packard Canada Ltd Hewlett Packard Intercontinental 275 Hymus Blvd 3200 Hillview Ave Pointe Claire Palo Alto California 94304 HEWLETT il PACKARD MANUAL PART NO 11690 90002 Microfiche Part No 11690 90003 Printed in U S A K4XL s BAMA This manual is provided FREE OF CHARGE from the BoatAnchor Manual Archive as a service to the Boatanchor community It was uploaded by someone who wanted to help you repair and maintain your equipment If you paid anyone other than BAMA for this manual you paid someone who is making a profit from the free labor of others without asking their permission You may pass on copies of this manual to anyone who needs it But do it without charge Thousands of files are available without charge from BAMA Visit us at http bama sbc edu
7. hmmeter without removing them from the circuit Model 11690A 40 Repair 41 The components on the circuit board can be removed and replaced without removing the board from the body Use a pencil type soldering iron rated at 20 watts or less NOTE Use silver solder HP Part Number 8090 0022 on all soldered connections in the doubler 42 1f the circuit board must be removed from the doubler body heat the soldered connections very slowly to avoid damage to the board As the solder melts remove it with a wire brush or some other device 43 Assembly 44 To assemble the doubler reverse the pro cedures outlined above If the circuit board has been removed from the doubler body be sure to orient it as indicated in the illustrated parts break down before soldering it into place Orient the label so that it indicates that the input port is the male connector 11690A DOUBLER INPUT OUTPUT Figure 3 Schematic Diagram Model 11690A Page 7 A1 FREQUENCY DOUBLER BOARD ASSY Figure 4 Illustrated Parts Breakdown CERTIFICATION The Hewlett Packard Company certifies that this instrument was thoroughly tested and inspected and found to meet its published specifications when it was shipped from the factory The Hewlett Packard Company further certifies that its calibration measurements are traceable to the U S National Bureau of Standards to the extent allowed by the Bureau s calibration
8. ible on the analyzer s display to the level of f now visible f4 should be gt 20 dB below fo fg should be gt 25 dB below fo and f4 should be gt 12 dB below fo 30 ADJUSTMENTS 31 The doubler requires no mechanical or electri cal adjustments 32 REPLACEABLE PARTS 33 To order any of the parts listed in Table 3 quote the Hewlett Packard part number indicate the quantity required and address the order to the nearest Hewlett Packard office Table 2 Recommended Test Equipment Suggested Model Critical Specifications Instrument Spectrum Range 200 to 2200 Analyzer MHz Amplitude Display Accuracy 0 25 dB dB but not more than 1 5 dB over 70 dB dynamic range Resolution BW 300 kHz Span Width 200 MHz div HP 141T 8553B 8555A Signal HP 8640A B Generator Frequency Range 200 to 550 MHz Harmonics gt 30 dB down VSWR lt 2 1 Output Level 10 dBm Output Level Accuracy 1 5 dB Model 11690 A Table 3 Replaceable Parts Page 5 Reference Mfr Designation HP Part No Oty Description Code Mfr Part No Al 11690 60002 1 FREQUENCY DOUBLER BD ASSY 28480 11690 60002 AlCl 0160 3877 1 C FXD CER 100 PF 20 200 VDCW 12982 8121 B227 X7R 101M AICR1 4 5080 0271 1 DIODE SILICON MATCHED QUAD 28480 5080 0271 NSR AI1LI 9100 2247 1 COIL FXD RF 0 10 UH 10 28480 9100 2247 AIR1 0698 7195 1 R FXD MET FLM 19 6 OHM 2 1 8W 28480 0698 7195 AITI 11690 80001 1 TRANSFORMER 28480 1
9. l arrange for repair or replacement without waiting for claim settlement 14 Storage and Shipment 15 Environment The doubler should be stored in a clean dry environment The following environ mental limitations apply to both storage and ship ment a Temperature 40 C to 75 C b Humidity lt 95 relative c Altitude 25 000 feet 16 Original Packaging Containers and materials identical to those used in factory packaging are available through Hewlett Packard offices If the doubler is being returned to Hewlett Packard for servicing attach a tag indicating the type of service required return address model number and full serial number Also mark the container FRAGILE to assure careful handling In any correspondence refer to the doubler by model number and full serial number Page 4 17 Mating Connectors 18 Mating connectors used with the doubler should be 50 ohm BNC connectors 19 OPERATION 20 Environment 21 The operating environment should be within the following limitations a Temperature 0 C to 55 C b Humidity lt 95 relative c Altitude lt 15 000 feet 22 Operating Instructions 23 Since the doubler is a uni directional device the input signal should be applied to the male BNC connector The input signal should be from 10 to 19 dBm 200 to 550 MHz 24 Attenuation pads or a variable attenuator can be used between the doubler and its load to improve the source match
10. th the doubler must have specifica tions for AM distortion harmonic level and out put flatness that are as good as or better than the Model 8640A B 9 Since the doubler is passive it needs an input signal level of 10 to 19 dBm Figure 1 shows typical conversion loss versus input signal level 10 Amplitude modulation will appear on the output signal with little or no distortion added by the doubler Frequency modulation while not distorted will be changed by the doubler in that the peak deviation of the output signal will be double that of the input signal NOTE When using the doubler with a Model 8640A B Signal Generator set the genera tor s RANGE control to 512 1024 MHz The generator s frequency readout and FM deviation readout will then be cor rectly calibrated for the signal at the doubler s output Table 1 Specifications _ _ r m _ aM MM DEM Mii SS TS rar nt m n SPECIFICATIONS All specifications are tested using an 8640A B Signal Generator Critical signal generator specifications are harmonics 730 dB down and VSWR 2 1 Frequency Characteristics Range 200 to 550 MHz INPUT 400 to 1100 MHz OUTPUT Harmonic Suppression below level of desired output signal fo fi fundamental input frequency gt 20 dB f 3 3rd harmonic of input gt 25 dB f4 4th harmonic of input gt 12 dB Level Characteristics Input Power Range 10 to 19 dBm Input Power Limit 22 5 dBm
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