HP 8642A - Page 278

Performance Tests
Model 8642A/B
PERFORMANCE TESTS
4-17. EXTENDED PULSE TESTS
SPECIFICATION:
Electrical Characteristics
On/Off Ratio
Rise/Fall Time
Rate
Pulse Width
Trigger Level
Performance Limits
>30 dB
>45 dB
<3.5 Msec
50 kHz maximum
6 /isec minimum
1.5 volts nominal
Conditions
band 10
10% to 90% of final value
DESCRIPTION:
All Pulse specifications are checked by measuring the specified parameters
on an oscilloscope after the waveform has been demodulated by a spectrum
analyzer.
HP 8642A/B SYNTHESIZED
SIQNAL GENERATOR
□ D □ I la
a □ D an □□□an a a aa
an,-.,-,,-, HP, P, R H H H ( ; o«
I AM/PULSE
1 INPUT
|OUTPUT
FUNCTION
GENERATOR
RF RF
OUTPUT INPUT
CHANNEL A
SPECTRUM
ANALYZER
VIDEO OUTPUT
CHANNEL B
OSCILLOSCOPE
EQUIPMENT:
Figure 4-13. Pulse Test Setup
Oscilloscope HP 1980B
Function Generator HP 8116A
Spectrum Analyzer HP 8566A/B
4-46