TB 9-6625-2235-24
7. Equipment Setup
NOTE
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
CAUTION
To avoid damage to test instrument do not exceed +30 dBm,
(1 W, 7.1 V rms) to INPUT 50 Ω connector.
Do not use FIND BEAM control of display mainframe when TI
is installed in oscilloscope.
a. Press display mainframe LINE pushbutton to OFF position.
b. Install extender cable (Hewlett-Packard, Model 5060-0303) between TI and display
mainframe. Remove orange (pin 3) and yellow (pin 4) on A15 board (spectrum analyzer
rear) and connect extender cable insulated alligator clips to pins 3 and 4.
c. Connect display mainframe to ac power source and press LINE pushbutton to ON
position. Allow TI to warm-up for 30 minutes.
d. Position controls as listed in (1) through (12) below:
(1) INPUT ATTEN (dB) switch to 10 dB (push knob to engage) (for older plugins,
OPTIMUM INPUT to -30 dBm).
(2) REFERENCE LEVEL switch to 0 dBm.
(3) REF LEVEL FINE control to 0 dBm.
(4) Press LIN pushbutton in.
(5) FREQ SPAN/DIV switch to 10 MHz (uncoupled).
(6) RESOLUTION BW switch to 1 MHz (uncoupled).
(7) SWEEP TIME/DIV switch to AUTO.
(8) SWEEP TRIGGER switch to FREE RUN.
(9) CENTER-START pushbutton to CENTER.
(10) TUNING control to >60 MHz.