Tektronix 7613 User Manual

c. CHECK—Display compressed within graticule area.
d. Increase the 7A15A deflection factor until the
compressed display is reduced in amplitude.
e. Release the BEAM FINDER switch.
f. CHECK—Display remains within graticule area.
g. Disconnect all test equipment and remove the plug-in
units.
VERTICAL DEFLECTION SYSTEM
Equipment Required
1, Mainframe standardizer calibration fixture
2. 7B53A plug-in unit
3. High-frequency generator
4. 7A15A plug-in unit (two)
5. 10X probe
6. Five-nanosecond GR cable
7. 50-ohm GR in-line termination
8. BNC to pin-jack cable
9. Dual-input coupler
10. Three-inch screwdriver
11, Low-capacitance screwdriver
Control Settings
Set the controls given under Preliminary Control
Settings.
11. Adjust Bias Adjustment
a. Install the 7B53A in the horizontal compartment.
b. Set the 7B53A for auto, external triggering at a
sweep rate of one millisecond/division.
c. Install the mainframe standardizer calibration fixture
in the left vertical compartment. Set the calibration fixture
Test switch to VERT or HORIZ Gain and the Rep Rate
switch to 250 kHz.
Calibration—7613/R7613 Service
Vertical
Centering y 4
x ; »
425 9 C427
LD Sm Te
Fig. 2-3. Location of vertical system adjustments (Vertical Output
board).
d. ADJUST—Bias R486 for maximum gain. (See Fig.
2-3.)
12. Adjust Vertical Centering
a. Set the calibration fixture Test switch to Triggering
Gain.
b. The trace should be within 0.3 division of the
graticule center line.
c. ADJUST—Vertical Centering adjustment R403 (see
Fig. 2-3) to position the trace to the center horizontal line.
13. Adjust Vertical Gain
a. Set the calibration fixture Test switch to Vert or
Horiz Gain.
b. Position the display so the first and seventh traces are
near the top and bottom lines of the graticule.
c, CHECK—Deflection between the second and sixth
traces should be six divisions +0.06 division.
d. ADJUST—Vertical Gain adjustment R447 (see Fig.
2-3) for exactly six divisions of deflection between the
second and sixth traces.
e. Remove the calibration fixture from the left vertical
compartment and install it in the right vertical compart-
ment.
2-9
7613

Tektronix 7613 Specifications

General

Brand	Tektronix
Model	7613
Category	Test Equipment
Language	English