ELECTRONIC COUNTERS
Contents
1. ELECTRONIC COUNTERS CW Microwave Frequency Counters HP 5350B 5351B 5352B 10 Hzto 46 GHz without an external mixer Exceptional sensitivity to 40 dBm 1 GHz s tracking speed 60 ms acquisition time 100 measurements s HP IB in automatic mode Three years of hardware support with Option W30 amp amp S Gea i HP 5350B 5351B 5352B Microwave Counters The HP 5350B 5351B 5352B are automatic CW microwave frequency counters that measure to 20 26 5 and 40 GHz 46 GHz with Option 005 respectively With resolution as fineas 1 Hz these counters provide fast and precise frequency measurements By integrating all microwave components onto a single hybrid GaAs circuit these counters offer high performance at low prices Wide fre quency coverage exceptional sensitivity fast tracking speed high mea surement throughput and wide FM tolerance are a few of the high performance features of these counters With a built in microprocessor the HP 5350B 5351B 5352B have math capabilities such as measurement scaling and offset These func tions are useful for indirect measurements Automatic amplitude dis crimination automatically measures the frequency of the highest amp litude signal in a multi signal environment Other convenience features include diagnostic routines that perform tests on the counter for general information and troubleshooting With high measurement throughput the HP 5350B 5351B 5352B are ideal comp2. 1 26 5 GHzto 46GHz 3 5 1 Coupling DC to 50 Qtermination ac to instrument Connector Precisiontype N female HP 5350B APC 3 5 male with collar HP 5351B HP5352B APC 2 4 male withcollar Option005 Accuracy 1 LSD Timebase Errorx Frequency High stabilitytimebase Option 010 has timebase uncertainties that are 1 10 ofthe values forthe oven timebase Option 001 LSD least significant digit Residual Stability Counter and source using common 10 MHztimebase or counter using external higher stabilitytimebase 3 LSD rmstypical for resolution 1 Hzto 1 kHz at25 C HP 5352B 7 LSD typical 26 5 to 40 GHz Resolution Selectable 1 Hzto 1 MHz FM Tolerance See Graph 2 FM Rate Tolerance Maximum Deviation Auto 20 MHz p p HP 5350B 51B 12 MHzp p HP 53526 9 MHzp p Option 005 Manual 60 MHz p p HP 5350 51 B 55 MHz p p HP 5352B 55 MHzp p Option 005 Maximum FM Rate 10 MHz Tracking Speed Fast acquisition Track 1 GHz s Normal FM Rate 1 MHz s Low FM Rate 80 kHz s AM Tolerance Any modulation index provided the minimum signal level is not less than the sensitivity specification Modes of Operation Automatic Counter automatically acquires and displays highest level signal within sensitivity range Manual Center frequency must be entered to within 20 MHz or input frequency 3 MHz worst case below 1 GHz Automatic Amplitude Discrimination Measures largest signal present providing that signal is 6 dB typical above
3. 5 HP 05356 20217 Waveguide 3 inch straight to Coaxial Adapter WR42 APC3 5 HP 05356 20216 Adapter In series APC 3 5 male to male HP 1250 1748 Adapter In series APC 3 5 female to female HP 1250 1749 al fo 4 e Trigger error ee Input slew rate in V S at trigger point Where ej effective rms noise of counter s input channel 100 pV typical ep rms noise of the input signal for a 500 MHz bandwidth To have a Hewlett Packard representative help you place an order or to get more information see inside back cover
4. Bm typical when sleep mode or Input 2 is selected IF Output Rear panel BNC provides 30 110 MHz downconverted microwave signal at gt 20 dBm into 50ohmac coupled HP IB Interface Functions SH1 AH1 T5 L4 SR1 RL1 PPO DC1 DT1 C0 E1 see page xxx Operation Temperature 0 to 50 C Power Requirements 100 VA max Line Select 100V 90 to 105Vac rms 47 5 to 440 Hz 115 120 V 104 126 Vac rms 47 5 to 440 Hz 220 V 198 to 231 Vac rms 47 5 to 66 Hz 230 240 V 207 to 252 Vac rms 47 5 to 66 Hz Accessories Furnished power cord manual Size 425 mm Wx 133 mm H x 358 mm D 16 75 in x 5 25 in x 14 in Weight 11 kg 24 b Graph 2 FM Rate Tolerance Ordering Information HP 5350B 20 GHz Microwave Frequency Counter HP 5351B 26 5 GHz Microwave Frequency Counter HP 5352B 40 GHz Microwave Frequency Counter Options for HP 5350B 5351B 5352B Opt001 Oven Timebase Opt 002 Rear Panel Inputs HP 5350B 51B only Opt 005 Frequency Extension to 46 GHz HP 5352B only Opt 006 Microwave Level Limiter HP 5350B 51B only Opt 010 High Stability Oven Timebase Opt 908 Rack mount Kitfor Use with Front Handles removed Opt 910 Additional Operating and Service Manual Opt913 Rack mount Kitfor Use with Supplied Front Handles Opt 1A3 Bellcore CLEI Barcode Sticker Opt W30 Extended Repair Service see page 592 Opt W32 Calibration Service see page 592 Additional Equipment Available Transit Case HP 9211 2643 Waveguide 3 inch straight Adapter WR28 APC3
5. any signal within 500 MHz gt 20 dB typical above any signal within 500 MHz to 20 46 GHz Acquisition Time Automatic Mode Fast acquisition track lt 60 ms Normal FM rate lt 125 ms Low FM rate lt 1 25 s Manual Mode lt 20 ms ELECTRONIC COUNTERS 127 TCXO Option 001 Option010 _ Aging Rate s1x10 month 5 x 10 day 1x10 day 53508 53518 5352B Short Term 1x 10 s 25 10s 25x10 s Temperature 0 to 50 C 1 x 10 Tx 10 g 7X10 Line 10 change 1x107 11a PENA E MA A Ee O i Warmup to 10min 10min j Erani on an Bs penn ee ae lt 5 10 25 Sa E 4 SS Timebase 10 MHz z l Input 2 Frequency Range 10 Hzto 525 MHz 50 Q 10 MHzto 525 MHz 1 QM 10Hzto 80 MHz 500 MHz 124 GHz 20GHe 265 GHz 40 GHz 46 GHz Sensitivity Full operating environment 53508 53518 50 ohm 10 MHzto 525 MHz 25 mVrms 15 mVtypical 25 C 1 Mohm 10 Hzto 80 MHz 25 mV rms 15mV typical 25 C Typical 25 C 53528 Gate Time 1 resolution 1 ms min Maximum Input 50 ohm 10 dBm 1 Mohm 1Vrms Damage Level 50 ohm or 1 Mohmdcto 5 kHz 250 V dc ac peak gt 5 kHz 5 5 V rms 28 dBm 1 25x 10 V rms freq Full Operating Environment Typical 25 C Graph 1 Sensitivity Coupling ac Connector Replaceable fuse type BNC female Accuracy HP 53508 5351B WP sasa U im OPT 005 1 4x Trigger Error Gate Time Gate time 1 resolut
6. ion 1 ms minimum Impedance 1 Mohmnominalshunted by lt 70 pF or 50 ohm nominal Resolution Selectable 1 Hzto 1 MHz High Resolution 1 MQ mode 0 001 Hz for lt 100 kHz input 0 01 Hz for lt 1 MHz input 0 1 Hzfor lt 10 MHz input 1 Hz for gt 10 MHz input 1 second gate Timebase Output 10 MHzand 1 MHz 2 4 V square wave ac coupled into 1kohm 1 5V peak to peak into 50 Q rear panel BNC connectors External Timebase 1 2 5 or 10 MHz 0 7 V min to 8 V max peak to peak DC a3 Hz 45Hz FM LOW 10 MHz sine wave or square wave into gt 1 kohm shunted by lt 30 pF via rear panel 7 5 Hz TkHz FMNORMAL 10 MHz BNC connector 22kHz 300kHz TRACK 10 MHz RATE Timebase Error x Freq 1 LSD q DEVIATION p p E L Pd ii ka m Pa General Display Segmented 24 character alphanumeric LCD backlighted Built in Features Self check diagnostics display and keyboard lockout overload indicator HP IB teach learn mode Data Output Over HP IB bus varies with frequency and resolution Auto Mode gt 100 readings s 10 kHz resolution no math functions DUMP mode Manual Mode gt 120 readings s 10 kHz resolution no math functions DUMP mode Math Functions Scale offset smooth exponential averaging Sample Rate Variable from less than 50 ms between measurements to HOLD which holds the display indefinitely or until trigger occurs Display Rate 5 s variable over HP IB Sleep Mode Input 1 emissions reduced to lt 70 d
7. ition tracking mode 20 ms in manual mode these high speed counters can significantly improve your measurement throughput In bench top applications this high speed throughput gives you fast measurement response The LCD will update measurements rapidly to shorten evaluation time For applications that require fast response to source tuning these counters are ideal solutions In systems environments fast measurement throughput con tributes to overall system efficiency Delivering more than 100 measure ments s over HP IB in automatic mode these counters save money by reducing test time 1 GHz s Tracking Measuring Fast Moving Signals Fast acquisition offers fast tracking speed With acquisition time below 60 ms these counters can track source drift to 1 GHz s effortlessly For example when measuring the response of a voltage controlled oscillator VCO to voltage source tuning these counters track the changing fre quency rapidly to measure transfer characteristics HP 5350B 5351B 5352B Specifications Input 1 Frequency Range HP5350B 500 MHz to 20 GHz HP 5351B 500 MHzto 26 5 GHz HP 5352B 500 MHzto 40 GHz Option 005 500 MHzto 46 GHz Sensitivity See Graph 1 Sensitivity Maximum Input 7 dBm Damage Level 25 dBm HP 5350B 5351B Option 006 39 dBm 500 MHz to 6 GHz 36 dBm 6 GHzto 18 GHz 34 8d8m 18 GHzto 26 5 GHz SWR typical 500 MHz to 10 GHz 2 1 Option 002 006 2 5 1 10 GHzto 26 5 GHz 3 1 Option 002 006 3 5
8. onents for test systems Their English like commands sim plify systems integration by reducing programming time and effort In automatic test systems the programmable alphanumeric liquid crystal display LCD can serve as a message center if operational security is a concern keyboard and display lockout can be activated In noise sensi tive environments you can put these counters in SLEEP mode to reduce kickback noise to as low as 70 dBm Direct Inputs to 46 GHz Low Cost Versatile Solutions The HP 5350B 5351B 5352B can meet expanding measurement needs The HP 5350B 5351B measure frequency from 10 Hz to 20 GHz and 26 5 GHz respectively The HP 5352B which extends input capability to 40 GHz 46 GHz with Option 005 measures in the millimeter wave range directly without expensive mixers Exceptional Sensitivity Direct Measurement of Low Level Signals Because these counters have input sensitivity to 40 dBm 30 dBm for HP 5352B accurately measuring your low energy signals becomes a simple task For example you no longer need expensive microwave amplifiers to make low level measurements Also you no longer have to worry about signal attenuation by the probe when you make frequency measurements at different nodes within your circuit These conve niences simplify measurements in applications such as receiver front end testing Low Acquisition Time High Throughput With acquisition time reduced to 60 ms in automatic fast acquis
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