Tektronix 475 User Manual

Calibration—475
i. Set the VERT MODE switch to CH 2.
DC positions of the B COUPLING switch by adjusting the
B LEVEL control.
j. Adjust the CH 2 VOLTS/DIV switch to obtain a 0.3
division display.
d. Set the B SOURCE switch to CH 1.
k. Position the display to the vertical center of the
graticule viewing area.
e. CHECK—Repeat step 44-c.
1. Set the A SOURCE switch to CH 2.
f. Set the VERT MODE switch to CH 2.
m. CHECK—That a stable display can be obtained on
both slopes of the displayed waveform.
g. CHECK—That a stable display cannot be obtained
with the B SOURCE switch set to CH 1.
43. Check B Trigger DC Balance
h. Set the B SOURCE switch to CH 2.
a. Set the HORIZ DISPLAY switch to B DLY'D, the B
LEVEL control to 0, the B SOURCE switch to NORM, and
the B COUPLING switch to DC.
i. CHECK—A stable display can be obtained on both
slopes of the displayed waveform in the AC, LF REJ, and
DC positions of the B COUPLING switch by adjusting the
B LEVEL control.
b. CHECK—That a stable display can be obtained on
both slopes of the displayed waveform in the NORM and
CH 2 positions of the B SOURCE switch.
j. Set the B SOURCE switch to NORM.
c. Set the VERT MODE switch to CH 1.
k. CHECK—Repeat step 44-i.
d. Adjust the CH 1 VOLTS/DIV switch to obtain a 0.3
division display.
45. Check A Internal 40 Megahertz Triggering
a. Set the HORIZ DISPLAY switch to A.
e. Position the display to the vertical center of the
graticule viewing area.
f. CHECK—That a stable display can be obtained on
both slopes of the displayed waveform in the NORM and
b. Adjust the Medium-Frequency signal generator to
maintain a 0.3 division display of a 40 megahertz signal
throughout this step.
CH 1 positions of the B SOURCE switch.
44. Check B Internal 40 Megahertz Triggering
c. CHECK—A stable display can be obtained on both
slopes of the displayed waveform in the AC, LF REJ, and
DC positions of the A COUPLING switch by adjusting the
A LEVEL control.
a. Set the DELAY TIM E POSITION dial fully counter
clockwise, both T IM E /D IV switches to 0.5 jus, both
VOLTS/DIV switches to 10 mV, and both SOURCE
switches to NORM.
d. Set the A SOURCE switch to CH 2.
b. Adjust the Medium-Frequency Constant-Amplitude
Signal Generator (Type 191) to maintain a 0.3 division
e. CHECK—Repeat step 45-c.
display of a 40 megahertz signal throughout this step. f. Set the VERT MODE switch to CH 1.
c. CHECK—A stable display can be obtained on both
slopes of the displayed waveform in the AC, LF REJ, and
g. CHECK—That a stable display cannot be obtained
with the A SOURCE switch set to CH 2.
5-42
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Tektronix 475 Specifications

General

Brand	Tektronix
Model	475
Category	Test Equipment
Language	English