Tektronix 2465B Service Manual

Performance Check—2465B/2467B Service
2. Check Minimum Sensitivity at 50 MHz 5. Check Delay Time
a. Set the generator to produce a 50.0-MHz, 1.3- a. Set:
division display.
CH 1 VOLTS/DIV 500 mV
CH 1 Input Coupling GND
b. Press the upper Trigger MODE button to reinitialize A SEC/DIV 20 ns (knob in)
the auto-trigger level. A TRIGGER MODE AUTO
c. CHECK—Reading is between 49.9 MHz and b. Connect the output of the time-mark generator via a
50.1 MHz and is stable. 50-ft cable to the positive trigger input of the pulse
d. Disconnect the test equipment from the instrument.
3. Check Frequency Accuracy
a. Connect the time-mark generator output via a 50-fi
cable to the CH 1 input connector.
generator.
c. Connect the output of the pulse generator via a 50-12
cable to the CH 1 input connector.
d. Set the time-mark generator to produce 20-ns time
markers.
e. Set the pulse generator to produce a positive 5-ns
pulse when externally triggered.
b. Set the generator to produce 10-ns time markers
four divisions in amplitude using CH 1 VOLTS/DIV and
VAR VOLTS/DIV. f- Adjust the CH 1 POSITION control to center the
CH 1 display.
c. Press the upper Trigger MODE button to reinitialize
the auto-trigger level. 9- Set the CH 1 Input Coupling to 50 Q DC.
d. CHECK—Reading is between 99.9995 MHz and
h
- Adjust the pulse generator to produce a 5-division
100.0005 MHz. peak-to-peak display, centered about ground.
4. Check Minimum Input Frequency '
Push INIT
@50%.
a. Set the time-mark generator to produce 2-s time
markers. j. Pull out the SEC/DIV knob.
b. Set: k. Press the A/B TRIG button.
CH 1 VOLTS/DIV 100 mV
A SEC/DIV 50 ms (knob in)
A TRIGGER MODE NORM
c. Adjust the A Trigger LEVEL control for a stable
trigger.
d. CHECK—Reading is between 499.9975 mHz and m. Adjust the B Trigger LEVEL for a readout of 0.00 V.
500.0025 mHz.
n. Turn the A REF OR DLY POS control counterclock-
e. Disconnect the test equipment from the instrument. wise until the intensified zone stops moving to the left.
I. Set the B Trigger:
SLOPE
MODE
SOURCE
COUPLING
+ (plus)
TRIG AFT DLY
VERT
DC
4-30

Tektronix 2465B Specifications

General

Brand	Tektronix
Model	2465B
Category	Test Equipment
Language	English