TB 9-6625-2009-35
j.
Press AMPLITUDE MODE LOG 1 dB/DIV pushbutton.
k. Repeat h and i above.
8. Frequency Calibration
a. Performance Check
(1) Connect equipment as shown in figure 1.
(2) Position controls as listed in (a) through (h) below.
(a) AMPLITUDE MODE LOG 10 dB/DIV pushbutton pressed.
TI
FREQUENCY
10.2
CALIBRATOR
(b) FREQUENCY control to 00.0 Hz.
(c) RESOLUTION BANDWIDTH control to 30 Hz (or as required).
(d) START/CTR switch to CTR.
(e) FREQ SPAN/DIV control as required.
(f) SWEEP TIME/DIV control to .2 SEC.
(g) ZERO CAL control for maximum display at center line.
(h) INPUT SENSITIVITY switch to 0 (zero) dBv.
(3) Adjust calibrator output control to 0.3 V rms (0 (zero) dBm).
(4) Position FREQUENCY control as listed in table 3. Repeat (3) above and adjust
calibrator controls to peak signal pip on center of TI display. Frequency counter will
indicate within limits specified.
