TB 9-6625-1982-24
Figure 6. Adjustment locations - types DC508, DC508OPT01, and DC508AOPT01.
36. Frequency and Sensitivity (Direct Input)
a. Performance Check
(1) Connect function/arbitrary generator 50
OUTPUT to TI INPUT 10 Hz-100
MHz, using appropriate cable.
(2) Adjust function/arbitrary generator frequency to 10 Hz and amplitude to
minimum.
(3) Slowly increase function/arbitrary generator amplitude until TI displays a
stable count. function/arbitrary generator will indicate 15 mV rms or less.
(4) Repeat (2) and (3) above at 1 kHz, 100 kHz, 1 MHz, and 5 MHz. The
(5) Disconnect function/arbitrary generator from TI and connect signal generator
RF OUTPUT to TI INPUT 10 Hz-100 MHz, using adapter and cable.
(6) Repeat technique of (2) and (3) above at 10 MHz, 50 MHz, and 100 MHz. Signal
generator amplitude will indicate 15 mV rms or less at each frequency.
(7) Disconnect connection made in (1) above.
b. Adjustments. No adjustments can be made.