HP 5361B Pulse/CW Microwave Counter

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  The HP 5361B offers both high-precision pulse and CW performance. With built-in frequency modulation profiling, the HP 5361B characterizes radar, EW, and communications systems or components. The counter makes complex measurements for the carrier frequency of agile signals, staggered PRIs, or the frequency transients in a pulsed or CW signal. It can be used to characterize radar pulses or test a Stable Local Oscillator (STALO). Functions for measuring step response, post-tuning drift, and settling time facilitate accurate and easy testing of VCOs and DTOs.

The HP 5361B helps lower your equipment costs by eliminating the need for a separate CW counter, pulse generator and computer, and is a cost-effective choice for manufacturing and service. High-speed throughput saves operator time, and periodic maintenance is limited to time base calibration.


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  • Precise pulse measurements
  • PROFILE function characterizes frequency transients, modulation (such as chirp), and linearity
  • Simple-to-use automatic functions include calibration, pulse averaging, and measurement display
  • Scope-View provides confidence and easy setup for externally gated measurements
  • Fast track measures a signal sweeping up to 800 MHz per second
  • Low FM rate allows measurement of signals that vary slowly in frequency

    Precise pulse measurements

    Measure frequency, PRF, PRI, pulse width and off-time.

    PROFILE function

    Innovative gating circuitry provides fully automatic profiles of complex frequency modulations such as chirped radar. Hardcopy output of the frequency profile is available via a direct printer interface.

    Simple-to-use

    The Auto-Suite group of tasks are performed automatically by the 5361B. Most competitive equipment automates only a smaller subset of measurements.

    Scope-View

    For externally gated measurements, there is always a concern that the gating signal may not coincide with the microwave pulse. Scope-View enables you to easily set up an externally gated measurement by letting you see the downconverted pulse with a dc offset at the actual measurement interval.


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    Input Characteristics
    
    Input 1 Input 2 Input 2 (50 ohm) (1 Mohm) (50 ohm)
    Frequency range 500 MHz to 20, 10 Hz to 10 MHz to 26.5, 40 GHz 80 MHz 525 MHz Sensitivity 25 mV rms 25 mV rms 0.5 to 12.4 GHz -28 dBm 12.4 to 20 GHz -23 dBm 0.5 to 26.5 GHz -20 dBm (Opt 026, 040) 26.5 to 40 GHz 0.37 x f (in GHz) (Opt 040) -29.8 dBm
    Frequency (Input 1) Automatic and Manual Acquisition: 500 MHz to 20 GHz; 500 MHz to 26.5 GHz (Option 026); 500 MHz to 40 GHz (Option 040) Least Significant Digit: 1 MHz to 1 Hz for frequency, 0.001 Hz for PRF Pulse Frequency Measurements Pulse width (minimum): Manual mode, 60 ns; auto mode, 100 ns Pulse rep freq: Minimum 1 Hz; maximum 2 MHz Measurement time, resolution, accuracy: See datasheet CW Frequency Measurements FM tolerance: 55 MHz peak-to-peak Tracking speed (fast acquisition): 800 MHz/s Acquisition time: Manual mode, <40 ms; automatic mode, fast acq., <100 ms Gate times (1 Hz resolution): 200 to 1000 ms Measurement time: >=8.5 ms (in Dump Mode) Accuracy: See datasheet Pulse Parameters (Input 1)
    Pulse width PRI Offtime PRF
    Min/Max 60 ns/10 ms 500 ns/1 s 400 ns/1 s 1 Hz/2 MHz
    LSD (PW < 1 ms) 1ns; (PW > = 1 ms) 100 ns to 0.001 Hz
    Accuracy +/- (20 ns + timebase uncertainty x +/- (20 ns) measurement +/- LSD x (PRF)e2 +/- LSD +/- timebase uncertainty
    Profile (Input 1) Frequency Range (min/max for Y axis): 500 MHz/40 GHz FM Chirp Tolerance (max span for Y axis): 50 MHz peak-to-peak Time Range (min/max span for X axis): 100 ns/10 ms; 1 ns resolution Internal Gate Width: Minimum 11 to 23 ns; typical minimum: 14 ns External Gate Width: Minimum: Manual acquisition 20 ns;auto acquisition 60 ns Number of Data Points: Up to 100 Profile Frequency Measurements Printers supported: HP 2225A, HP 227B, HP 3630A Opt 002 Profile phase measurements: See Application Note 377-4 for details. Computer required. Frequency (Input 2) Range: 10 Hz to 525 MHz Accuracy: 0.001 to 1 Hz Resolution/LSD: 0.001 to 1 Hz


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    HP 5361B	Pulse/CW Microwave Counter
       Opt 001	Oven Timebase
       Opt 006	Microwave Limiter
       Opt 010	High-Stability Timebase
       Opt 026	26.5 GHz Frequency Extension
       Opt 040	40 GHz Frequency Extension
       Opt 908	Rack Mount Kit (without supplied front handles)
       Opt 913	Rack Mount Kit (with front handles)
       Opt W30	Extended Repair Service
       Opt W32	Calibration Service
    
    

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Page Updated: Thursday November 13 08:26:54 UTC 1997