Tektronix 475 User Manual

Calibration—475
f. Remove the test signal from the CH 1 input.
j. CHECK—That a single-sweep display (one sweep only)
is presented.
g. CHECK—For no display in the absence of an
adequate trigger signal.
k. Disconnect the test setup.
17. Check Single Sweep Operation
a. Set the A COUPLING switch to AC and the TRIG
MODE switch to AUTO.
b. Reconnect the test signal from the Medium-
Frequency signal generator to the CH 1 input.
18. Check Trigger View Operation
a. Set the CH 1 AC-GND-DC switch to DC, the CH 1
VOLTS/DIV switch to 10 mV, the VERT MODE switch to
CH 1, the A COUPLING switch to DC, the A SOURCE
switch to EXT, the A SLOPE switch to +, the A LEVEL
control to 0, and the TRIG MODE switch to AUTO.
c. Adjust the A LEVEL control for a triggered display.
d. Remove the test signal from the CH 1 input.
b. Connect the output of the Standard Amplitude
Calibrator to the A External Trigger input via a 42-inch
50 £2 BNC cable.
e. Press the SINGL SWP button.
c. Adjust the Standard Amplitude Calibrator for a
200 mV square-wave output.
f. CHECK-READY light comes on when SINGL SWP
button is pressed and remains on until the test signal is
re-applied.
d. Push the TRIG VIEW button and hold it in.
g. Reconnect the test signal to the CH 1 input.
e. CHECK—For 3.2 to 4.8 divisions of display.
h. CHECK—READY light is extinguished.
f. Release the TRIG VIEW button.
i. Press the SINGL SWP button.
g. Disconnect the test setup.
HORIZONTAL SYSTEM CHECK
Equipment Required
1. Standard Amplitude Calibrator (067-0502-01).
4. 42-inch 50 12 BNC cable.
2. Medium-Frequency Constant-Amplitude Signal Genera
tor (Type 191).
5. 50 12 BNC Termination.
3. Time-Mark Generator (Type 2901).
6. Dual Input Coupler.
Control Settings
19. Check Variable Time/Division Range
Preset instrument controls to the settings given under
Preliminary Control Settings except as follows:
a. Connect 5 ms time marks to the CH 1 input from the
Time-Mark Generator (Type 2901) via a 42-inch 50 12 BNC
cable and a 50 12 BNC termination.
A TIM E/D IV 2 ms
B T IM E /D IV 5 jus
B SOURCE STARTS AFTER DELAY
b. CHECK—At least 1 time marker/division can be
obtained by adjusting the VAR TIM E/D IV control.
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Tektronix 475 Specifications

General

Brand	Tektronix
Model	475
Category	Test Equipment
Language	English