HP 3325A, 3325B manual Frequency Accuracy Performance Check, Entry Freq 20 MHz Entry Amptd Volt

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TB 9-6625-2049-35

(4)Set oscilloscope controls to measure ramp retrace time from the 90 to 10 percent points. Ramp retrace time will be 3 μs.

(5)Press FUNCTION negative ramp key and repeat (4) above.

b.Adjustments. No adjustments can be made.

12.Frequency Accuracy

a.Performance Check

(1)Connect TI SIGNAL to frequency counter CHANNEL A.

(2)Press keys and enter values using DATA keys as listed in (a) through (f) below:

(a)SIGNAL off (option 002 not lit).

(b)FUNCTION sine wave.

(c)ENTRY FREQ.

(d)20 MHz.

(e)ENTRY AMPTD.

(f).99 VOLT.

(3)Set frequency counter 50Ω/1MΩ switch to 50Ω.

(4)Set frequency counter controls to measure frequency. If frequency counter does not indicate between 19.99990 and 20.00010 MHz, perform b below.

(5)Press FUNCTION square wave key. Frequency counter will indicate between 9.999950 and 10.000050 MHz.

(6)Disconnect frequency counter from TI SIGNAL.

(7)Connect frequency counter CHANNEL A to TI SYNC OUT.

(8)Press TI FUNCTION triangle key.

(9)Set frequency counter controls to measure period. Frequency counter will indicate between 99.99950 and 100.00050 μs.

(10)Press FUNCTION positive ramp key. Frequency counter will indicate between 99.99950 and 100.00050 μs.

(11)Press FUNCTION negative ramp key. Frequency counter will indicate between 99.99950 and 100.00050 μs.

(12)Disconnect frequency counter from TI SYNC OUT.

(13)Connect frequency counter to TI AUX 21-60 MHz (rear panel).

(14)Press keys and enter values using DATA keys as listed in (a) through (c) below:

(a)FUNCTION sine wave.

(b)ENTRY FREQ.

(c)60 MHz.

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Contents Models 3325A and 3325B Forms, Records, and Reports Section Identification and DescriptionProgrammed amplitude at 1 kHz Section Equipment Requirements Spectrum Analyzer Preliminary Instructions Equipment SetupSection Calibration Process Entry Amptd 20 dBm Entry DC Offset Volt Entry Freq 20 MHz Harmonic Distortion a. Performance CheckIN/OUT 50 Hz Entry Amptd Volt Signal on Entry Freq 25 kHz Entry Amptd VoltEntry Freq MHz Entry Amptd Volt Entry DC Offset Square Wave Characteristics Performance CheckAmplitude Modulation Distortion a. Performance Check Entry Freq 10 kHz Entry Amptd Volt Entry Freq MHz Entry Amptd RMSRamp Retrace Performance Check Entry Freq 60 MHz Frequency Accuracy Performance CheckEntry Freq 20 MHz Entry Amptd Volt SIG Input AdjustmentsEntry Freq 100 kHz Entry Amptd 13 dBm Entry PhaseBlue then Asgn Zero Phase Entry Amptd RMS Entry Freq 100 Hz Amptd CAL Sine wave Amplitude and Flatness Performance CheckEntry DC Offset Volt Press Entry Amptd key Entry DC Offset Entry Freq KHz Entry Amptd RMS Amptd CALSquare Wave Amplitude and Flatness Performance Check Triangle and Ramp Amplitude Performance Check KHz Entry Amptd RMS Amptd CALDc Offset Performance Check 100 Hz Amptd CALDc Offset with Ac Performance Check High Voltage Output Option 002 only Performance Check Entry Freq KHz Entry Amptd RMS Amptd CAL Power SupplyEntry Freq 100 kHz Entry Amptd RMS Amptd CAL Power supply assembly A2 test instrument top view Final ProcedurePIN