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hp 2040
OSCILLATOR
AC VOLTMETER
IMHZ NOTCH FILTER
600n
51MH
TE
.002
351on
204C-- 1990
Figure 5-3 .
1 MHz Distortion Check
Connect a 600 ohm load to the Model 204C .
The AC Voltmeter should indicate 2.5V rms ,
verifying the output voltage
specification and an output impedance of 600 ohms.
5-10 .
OUTPUT CONTROL CHECK.
Connect the Model 204C without a 600 ohm load to the AC Voltmeter .
Adjust the Model 204C
AMPLITUDE to minimum .
The meter indication should be less than 50 mV rms .
5-11 .
SYNC OUTPUT CHECK .
Connect the Model 204C SYNC output to the AC Voltmeter .
The AC Voltmeter should indicate 1.7V rms .
5-12 .
SYNC INPUT CHECK .
Connect the Test Oscillator to the AC Voltmeter and adjust controls for
5V rms at 20 kHz .
Connect the Model 204C to the Electronic Counter and adjust controls for
a frequency of 20 kHz .
C.
Without changing the controls set in steps a and b ,
connect the equipment
as shown in Figure 5-4 .
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