Tektronix 070-8462-03, Инструкция по эксплуатации

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Performance Verification
5–12
1735 HD High Definition Waveform Monitor
b. Select CH 1A INPUT, X5 maximum VAR Gain, and CLAMP On.
c. Check that the white bar and sync tip can be positioned to the blanking
level.
d. Select X1 minimum VAR Gain.
e. Check that the white bar and sync tip can be positioned to the blanking
level.
f. Turn Off the CLAMP.
g. Remove the TSG 1001 signal and terminator from the 1735 HD CH 1A
INPUT. Connect a 999.9 mV signal from the VAC to the CH 1A INPUT.
h. Check using VAR Gain, that the signal can be adjusted to 100mV or
less.
i. Set the VAC Amplitude to 562.0 mV.
j. Check using VAR Gain, that the signal can be adjusted to 1 V or more.
k. Turn Off VAR Gain.
11. Check PIX MON OUT Gain and Strobe Pulse
Requirement: Rear panel input to PIX MON OUT has unity gain, to
±
5%.
Selected line DC offset by approximately 180mV.
a. Set the VAC Amplitude to 999.9 mV and select ONE LINE Sweep on
the 1735 HD.
b. Connect a 75
W
cable with a 75
W
in-line termination from the 1735 HD
rear-panel PIX MON OUT to the test oscilloscope vertical input.
c. Set the test oscilloscope as follows:
Volts /Div 200 mV
Coupled DC
Time/Div 10 ms
Trig Int/Auto/AC
Trig Slope –
Adjust for a triggered display.
d. Check that the amplitude of the VAC signal, as viewed on the test
oscilloscope, is between .950 and 1.05 V.
e. Disconnect the VAC signal from CH 1A INPUT.
f. Turn On the 1735 HD LINE SELECT.
g. Set the test oscilloscope for 5 ms/Div and adjust for a triggered display.