Agilent Technologies U1602A, User'S And Service Manual

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7 Performance Tests
164 Agilent U1602A/U1604A User’s and Service Guide
4
Press Autoscale on the instrument.
5 Select Measure mode, then press F1 to enable the auto measurement
selection for Measure 1. Turn rotary switch to select peak- to- peak
voltage (Pk- Pk) measurement from the list of auto measurement.
Wait for a few seconds for the measurement to settle.
6 View the Pk- Pk reading at the measurement line display. Record the
reading: Vp- p = _______ V. (refer to “
Agilent U1602A/U1604A Handheld
Digital Oscilloscope Test Record 179 ”)
7 Change the frequency of the signal generator to the value shown below
for your instrument.
Table 7-4 Signal generator frequency setting
8 Change the time base to 50 ns/div.
9 Wait for a few seconds for the measurement to settle.
10 View the Pk- Pk reading at the measurement line display.
11 Record the reading: Vp- p = ______ mV.
12 Calculate the bandwidth response (dB) using the following formula:
20log
10
[Reading from step #11 / Reading from step #6]
13
The result from step 12 should be greater than or equal to –3.0 dB.
14 Move cable from channel 1 to channel 2 input and repeat the same
verification procedures for channel 2.
Selected Channel U1602A U1604A
Channel 1 20 MHz 40 MHz
Channel 2 20 MHz 40 MHz