6960B RF Power Meter
Contents
1. 002 10 MHz to 40 GHz 30 dBm to 20 dBm 2 92 mm 108 mm 256 mm 369 mm 3 3 kg plus waveguide 22 coax transition and calibration 88 mm 216 mm excluding feet and handles table 56914 003 10 MHz to 46 GHz 30 dBm to 20 dBm 2 92 mm VERSIONS AND ACCESSORIES 56919 900 75 Q 30 kHz to 3 GHz 30 dBm to 20 dBm Type N When ordering please quote the full ordering number information POWER SENSORS LOW POWER Ordering Numbers 56920 900 10 MHz to 20 GHz 70 dBm to 20 dBm Type N Versions 6960B RF Power Meter 56923 900 to 26 5 GHz 70 dBm to 20 dBm MPC Options Options must be specified at the time of 56924 001 10 MHz to 40 GHz 70 dBm to 20 dBm 2 92 mm ordering 56924 002 10 MHz to 40 GHz 70 dBm to 20 dBm 2 92 mm Option 001 GPIB plus waveguide 22 coax transition and calibration Option 002 Rear sensor input table Option 003 Storage pouch mounted on top of instrument 56924 003 10 MHz to 46 GHz 70 dBm to 20 dBm Option 004 External DC operation 2 92 mm Supplied with POWER SENSORS HIGH POWER AC Supply Lead 56930 900 10 MHz to 18 GHz 15 dBm to 35 dBm Type N 46882 124 Instruction Manual H6960B Vol 1 56932 900 30 kHz to 4 2 GHz 15 dBm to 35 dBm Type N 46882 123 Summary Card 56934 001 10 MHz to 40 GHz 15 dBm to 30 dBm 2 92 mm 43138 663 1 5 m Power Sensor Cable 56934 002 10 MHz to 40 GHz 15 dBm to 30 dBm 2 92 mm 43138 154 DC Supply Lead Option 004 only plus waveguide 22 coax transition and calibration2. 3 4 1s 2 20 5s 1 50 12 5s Power Up Displays power up mode currently in use In power up mode 1 instru ment assumes default settings Power up mode 2 reinstates the set tings in use at power down Linearity Factor Provides data entry for individual sensor linearity data to improve accu racy Duty Cycle Enables entry of duty cycle of pulsed signal in range 100 to 0 001 The 6960B calculates the peak value of the pulsed signal from the average power measured by the sensor Peak annunciator displayed when duty cycle lt 100 Calibration Factor Allows entry of sensor calibration factor in range 100 to 0 001 Local Returns instrument to local front panel operation when remotely addressed unless local lock out is employed In manual operation displays current GPIB address Auto Zero Initiates zero routines to store zero offset for each of the 5 ranges Auto Cal Initiates self calibration routine after connection of sensor to Power Reference Power Ref Toggles internal O dBm 50 MHz power reference on and off Resolution Resolution may be changed by altering the Average Number in the fol lowing format Range Resolution dB 0 1 0 01 0 001 Average Number 5 highest power 1 4 4 4 il 1 4 3 T 1 4 2 al 4 20 1 lowest power 4 20 50 ENVIRONMENTAL Operating Temperature 0 C to 55 C Storage Temperature 40 C to 70 C Storage Humidity Altitude Up to 95 relative humidity a
3. Average Number For external levelling of RF source Recorder 1 dB mode 1 V decade 7 V maximum on range 5 Watts mode 5 V linear Fully corrected for Cal Factor Linearity Factor and Average Number For plots of the full 50 dB dynamic range Blanking Maximum voltage 25 V Maximum current 50 mA open collector short circuit for blank RESPONSE TIME Range 1 most sensitive 1 s selectable Ranges 2 to 5 250 ms display update selectable 25 ms using GPIB GENERAL GPIB INTERFACE GPIB unit built into instrument if option 001 is ordered All front panel functions are remotely programmable except for test modes KEY FUNCTIONS Units Selects either linear mW or logarithmic dBm units with toggle action dB Rel Displays current offset which may be entered in range 99 to 99 qB Store amp Recall Stores up to 9 complete instrument settings for any set up condition eg Cal Factors at different frequencies store O contains instrument settings prior to last power down Max Hold Retains maximum reading of changing signal When enabled units annunciators flash Range Displays current range in use Au denotes auto ranging Hd indicates held range Any range may be selected and held at any time Averaging Enables any integer number in the range 1 to 256 to be set In Auto Averaging mode the following response times are obtained Range Average No Response Time 5 1 0 25s 4 1 0 25s
4. Accessories table 54417 002 Waveguide 22 to 2 92 mm coax transition 56934 003 10 MHz to 46 GHz 15 dBm to 30 dBm 2 92 mm 43138 664 3m Power Sensor Cable 56930 002 10 MHz to 18 GHz 5 dBm to 44 dBm Type N 43138 665 10 m Power Sensor Cable 56932 002 30 kHz to 4 2 GHz 5 dBm to 44 dBm Type N 43138 666 25 m Power Sensor Cable 43138 667 50 m Power Sensor Cable 46884 501 Rack Mounting Kit Double Unit 3U High 46884 500 Rack Mounting Kit Single Unit 2U High CHINA Beijing GERMANY Tel 4 86 10 6467 27612716 Tel 49 8131 2926 0 Tel 451 9614 0045 Fax 86 10 6467 2821 Fax 49 8131 2926 130 Fax 45 9614 0047 Fax 44 0 1438 727601 CHINA Shanghai HONG KONG SPAIN Freephone 0800 282388 Tel 86 21 6282 8001 Tel 852 2832 7988 Tel 34 91 640 11 34 USA Fax 86 21 62828 8002 Fax 852 2834 5364 Fax 34 91 640 06 40 Tel 1 316 522 4981 FINLAND INDIA UK Burnham Fax 1 816 522 1360 Tel 358 9 2709 5541 Tel 91 80 5115 4501 Tel 44 0 1682 604455 Toll Free 800 835 2352 Fax 358 9 804 2441 Fax 91 80 5115 4502 Fax 44 0 1682 662017 FRANCE KOREA Tel 33 1 60 79 96 00 Tel 821 2 3424 2719 Fax 1433 1 60 77 69 22 Fax 82 2 3424 8620 SCANDINAVIA UK Stevenage Tel 44 0 1438 742200 EROFLEX A passion for performance Our passion for performance is defined by three attributes represented by these three icons As we are always see
5. Counters amp Power Meters 6960B RF Power Meter FROFLEX A passion for performance A precision Power Meter with comprehensive GPIB facilities for ATE requirements and standard e Extensive frequency coverage 30 kHz to 46 GHz e Wide dynamic range 70 dBm 100 pW to 44 dBm 25 W e Fast response on GPIB of 25 ms e Auto averaging with manual override Both 50 Q and 75 Q sensors e Low sensor VSWR reduces measurement uncertainty Sensor linearity correction for improved accuracy e Maximum hold facility Optional DC operation Non volatile memory The 6960B RF Power Meter is a high accuracy instrument which together with its associated power sensors provides measurements at frequen cies from 30 kHz up to 46 GHz over a wide range of power levels Its numeric keyboard enables easy manual control while full GPIB implementation with SRQ mask and trigger modes make it the log ical choice for fast ATE systems Meter Accuracy The 6960B features an instrumentation accuracy of better than 0 5 in linear mode and 0 02 dB in logarithmic mode A special auto zero circuit digi tally stores the zero offset for each of the five ranges thus reducing zero carry over errors to 0 03 and providing a zero accuracy of 1 of FSD on the most sensitive range for any sensor type bench applications High Accuracy All power sensors are provided with detailed calibration data to 0 01 resolution In addition to Calibration F
6. actor data each sensor is individually calibrated for linearity When entered into the power meter this data reduces linearity errors to less than 0 5 even on the highest range Precision Calibration Attenuators The 6920 series of high sensitivity power sensors are supplied with a precision 30 dB attenuator for calibrating to the internal power ref erence These attenuators have an accuracy of 0 05 dB at 50 MHz to provide high calibration accuracy Duty Cycle Correction Although the 6960B is a true average power measuring instrument it may still be used for pulsed power measurements The duty cycle of the signal to be measured may be entered in the range 100 to 0 001 The power meter calculates the peak power by dividing the measured average power by the duty cycle Relative Measurements The dB REL key enables the measurement of high powers by enter ing the calibrated value of an attenuator or coupler directly as a neg ative number Positive relative values to account for amplifier gains can also be entered The dB offset facility may be used with linear units so that transmitter output powers can be displayed in Watts Two Power Up Modes The instrument is provided with two power up modes For production line testing or applications in power monitoring at unattended sites power up mode 2 returns the instrument to its previous settings after switch off or a power failure Power up mode sets all the instrument functions to defau
7. in the range 11 to 32 volts can be accepted operation from a vehicle DC supply is thus possible Optimum Noise Operation For applications needing a fast response on a sensitive range the user can trade off resolution for speed by entering a lower average number The 6960B accepts average numbers between 1 and 256 so optimum noise reduction or required response time are always available Non Volatile Memory Nine non volatile stores are available for storing complete instrument settings Maximum Hold Long term drift measurements are easily made with the maximum hold facility which enables the maximum value of a changing signal to be retained Automatic Sensor Recognition The power meter contains a special sensor recognition circuit so that the correct scaling is selected automatically when the power sensor is connected GPIB Operation 6960B has been specifically designed with the requirements of the ATE system designer in mind The GPIB interface has been opti mized both in terms of hardware and software allowing greater speed in measurements with selectable resolution Up to 40 readings per second are possible The GPIB program codes feature simple mnemonics requiring either a single digit number entry with no ter minator or floating point entry requiring a terminator Six Trigger Modes Specific GPIB program codes include TR trigger mode This sets the trigger mode or starts a measurement after a hold condition Up to
8. king to improve our products the information in this document gives only a general indication of the product capacity performance and suitability none of which shall form part of any con tract We reserve the right to make design changes without notice All trademarks are acknowledged Parent company Aeroflex Inc Aeroflex 2004 www aeroflex com info test aeroflex com solution minded performance driven and customer focused Part No 46891 067 Issue 6 04 04
9. lt values For the very latest specifications visit WWW a e rofl ex C O m Two Proportional Voltage Outputs Two analog voltage outputs proportional to RF input power are pro vided on the rear panel The Recorder Output offers the full 50 dB dynamic range of the instrument in the dB mode at 1 volt decade for wide range power measurements In the Watts mode this output pro vides 0 to 5 V linear voltage proportional to the RF input power The fast Levelling Output provides 1 V per range for effective power levelling of sweepers or signal sources The calibration and linearity correction data from the sensor are traded off for a fast response For semi automated testing a rear panel BLANKING output is provided to turn off a source or sweep generator during AUTO ZERO operation of the meter Ease of Use With its conventional calculator style keyboard changing parameters is both precise and obvious to the new user Displayed units may be either linear mW or logarithmic dBm Applications which require circuit adjustments to optimise output or tune for a null are conve niently achieved with the analog meter Automatic signal averaging is provided as well as auto ranging The power meter selects the most appropriate amount of averaging in conjunction with the range in use External DC Operation For operation in remote locations and for certain military applications an optional external DC supply input is available Any voltage with
10. six trigger modes are available from the 6960B from free running fast to an immediate trigger with settling time then hold SRQ Response To the system user the SRQ response is always important and in the 6960B the SRQs have been arranged to form a mask with each SRQ option having a binary weighting 1 on end of measurement 2 on error 4 on end of GPIB operation SRQ option 4 is useful to inform the controller that the requested GPIB operation such as Autozero has been executed Self Test Self test is initiated when the instrument is switched on and the validity of the information in the non volatile memory is automatical ly checked The LCD alpha numerics and annunciators can also be verified using a coded key press Reliability The 6960 series has a proven record of high reliability Data from service records show its actual mean time between failures MTBF to exceed 120 000 hours Conservative component ratings liquid crystal display and switch mode power supply for low internal heat generation contribute to this excellent reliability Consequently a two year warranty is offered as standard with an optional third year war ranty available at the time of initial order Fast and Easy Servicing To make servicing easy and fast careful thought has led to a simple arrangement of components and adjustments Selective key switch operations can access the filter and digital to analog converters to check their operation eliminating
11. t 35 C Up to 2500 m pressurized freight at 27 kPa differential i e 3 9 Ib in ELECTROMAGNETIC COMPATIBILITY Conforms with the protection requirements of the EEC Council Directive 89 336 EEC Conforms with the limits specified in the following stan dards IEC EN61326 1 1997 RF Emission Class B Immunity Table 1 Performance Criteria B SAFETY Conforms with the safety requirements of EEC Council Directive 73 23 EEC as amended and the product safety standard IEC EN 61010 1 2001 C1 2002 C2 2003 for class 1 portable equipment for use in a Pollution Degree 2 environment The instrument is designed to be operated from an Installation Category 2 or 1 and 2 supply For the very latest specifications visit WWW a e rofl ex e CO m POWER REQUIREMENTS 54124 022 Stowage Cover AC supply 46881 365 GPIB Manual H54811 010 46882 125 Service Manual H6960B Vol 2 105 120 V Limit 90 132 V 210 240 V Limit 188 264 POWER SENSORS STANDARD Frequency 50 400 Hz Limit 45 440 Hz 56910 900 10 MHz to 20 GHz 30 dBm to 20 dBm Type N Power consumption 50 VA maximum 5691 1 900 10 MHz to 20 GHz 30 dBm to 20 dBm APC 7 DC s ppi 56912 900 30 kHz to 4 2 GHz 30 dBm to 20 dBm Type N a 56913 900 10 MHz to 26 5 GHz 30 dBm to 20 dBm MPC Power consumption 20 W maximum 235 DIMENSIONS AND WEIGHT over projections 56914 001 10 MHz to 40 GHz 30 dBm to 20 dBm 2 92 mm Height Width Depth Weight 56914
12. the need for a range calibrator The only test equipment required to assist servicing is a counter timer digital voltmeter and screwdriver Low Cost of Ownership Due to the modular design with good accessibility mean time to repair MT TR is just 20 minutes thus keeping the cost of ownership low for the entire life of the instrument SPECIFICATION FREQUENCY RANGE 30 kHz to 46 GHz depending on sensor used POWER RANGE 70 dBm 100 pW to 44 dBm 25 W depending on sensor used POWER REFERENCE O dBm 1 mW 50 MHz Type N female precision connector 50 Q Adapters are supplied for other connectors with the power sensor Uncertainty 0 7 traceable to National Standards Accuracy 1 2 worst case for one year DISPLAY Four digit LCD Over range Remote Peak Under range dB dBm dB REL nW to kW Zero INSTRUMENTATION ACCURACY Watts mode dBm mode dB REL mode 0 5 0 02 dB 0 02 dB ZERO Set 1 of FSD on most sensitive range Carryover 0 03 of FSD when zeroed on most sensitive range Drift 0 1 of FSD 2 6920 series on range 1 most sensitive over 1 hour at constant temperature after 24 hour stabilization Decrease by factor 10 for each higher range NOISE Less than 1 of FSD 2 for 6920 series for most sensitive range with an average factor greater than 19 OUTPUTS BNC socket Fast levelling O to 1 V each range 1 KQ impedance excludes correction for Cal Factor Linearity Factor and
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