Tektronix 2465B Service Manual

Performance Check—2465B/2467B Service
f. Select DLY-BY-EVENTS ("1") from menu.
g. Select B-SWP ("5") from menu.
h. Select ATRG-STRT ("2") from menu.
i. Select DLY-BY-B ("3") from menu.
j. Select RUN ("8") from menu.
k. Pull out the SEC/DIV knob.
j. Use the A REF OR DLY POS and the A controls to
set the number of delaying events to 1.
k. VERIFY—that the intensified zone moves to each
succeeding rising edge as the delaying event count is
changed to 2, 3, 4, and 5.
8. Check Logic Trigger
a. Set the A AND B SEC/DIV to 20 ns (knob out).
b. Set the time-mark generator to produce 0.1 MS time
markers.
c. Set the pulse generator to produce a positive 5-ns
pulse when externally triggered.
d. Set the B Trigger MODE to TRIG AFT DLY.
e. Set the B Trigger SOURCE to CH 1.
f. Press the MEASURE button.
g. Select <MORE> ("8") from menu.
h. Select LOGIC-TRIGGER ("4") from menu.
i. Select A:A-AND-B ('T')from menu.
j. Push in the SEC/DIV knob.
k. Adjust the B Trigger LEVEL for a readout of 0.00 V.
4-32
I. Press the A/B TRIG button to illuminate an A Trigger
MODE indicator.
m. Adjust the A Trigger LEVEL for a readout of 1.00 V.
n. Set the CH 1 Input Coupling to GND.
o. Turn the CH 1 POSITION control to align the trace
with the center horizontal graticule line; do not readjust
the CH 1 POSITION control during the remainder of
this step.
p. Set the CH 1 Input Coupling to 50 fi DC.
q. Set X10 MAG on.
r. Turn the Horizontal POSITION control to align the ris-
ing edge of the first displayed signal with the intersection
of the second vertical graticule and the center horizontal
graticule lines.
s. Set the pulse generator to produce a 2-ns pulse
when externally triggered.
t. Increase the duration of the pulse until a stable
display is obtained.
u. CHECK—Width of the pulse measured at the center
horizontal graticule line is less than 4 ns.
v. Set X10 MAG off.
w. Press the upper Trigger MODE button.
x. Press the lower Trigger MODE button.
y. Press the upper Trigger MODE button.
z. Disconnect the test equipment from the instrument.
9. Verify Trigger Delta Delay
a. Connect the leveled sinewave generator's output via
a 50-n cable to the CH 1 input connector. Set the A
SEC/DIV to 10 tis. Set the Horizontal POSITION to
midrange.

Tektronix 2465B Specifications

General

Brand	Tektronix
Model	2465B
Category	Test Equipment
Language	English