TB 9-6625-2340-35
(a) CENTER FREQUENCY, 100, MHz.
(b) REFERENCE LEVEL, 10, -dBm.
(c) ATTEN, 0, dBm.
(d) FREQUENCY SPAN, 0, Hz.
(e) RES BW, 1, kHz.
(f) VIDEO BW, 100, Hz.
(g) SWEEP TIME, 20, mSEC.
(63) Disconnect 97 (white/violet) cable from A4A8J1 (fig. 13) and connect cable to
measurement receiver power sensor.
(64) Set measuring receiver to measure power.
(65) Adjust TI AMPTD CAL control for a measuring receiver indication of -5 dBm.
(66) Disconnect measuring receiver power sensor and reconnect 97 cable to A4A8J1
(67) Press TI keys as listed in (a) and (b) below:
(a)
SCALE LIN.
(b)
MARKER NORMAL.
(68) Adjust A4A5R33 (fig. 15) for an indication of 70.7 mV on TI (R). Trace on TI
should be at top graticule line.
(69) Connect equipment as shown in figure16.
(70) Press TI REFERENCE LEVEL, 30, and -dBm keys.
(71) Set step attenuators to 25 dB.
(72) Press TI MARKER ∆ key.
(73) Signal trace should be at the center graticule line. TI MKR ∆ LVL as, indicated
by indication, should be .00 dB.
(74) Press TI REFERENCE LEVEL, 40, and -dBm keys.
(75) Set step attenuators to 35 dB.
(76) Adjust A4A5R32 (fig. 15) for a TI MKR ∆ LVL of .00 dB ( MKR ∆ LVL
indication is now in the upper right corner of TI display).
(77) Press TI REFERENCE LEVEL, 50, and -dBm keys.
(78) Set step attenuators to 45 dB.
(79) Adjust A4A5R44 (fig. 15) for a TI MKR ∆ LVL of .00 dB ( MKR ∆ LVL
indication is now in the upper right corner of TI display).
(80) Press TI REFERENCE LEVEL, 70, and -dBm keys.
(81) Set step attenuators to 65 dB.
(82) Adjust A4A5R54 (fig. 15) for a TI MKR ∆ LVL of .00 dB ( MKR ∆ LVL
indication is now in the upper right corner of TI display).
(83) Press TI keys as listed in (a) through (c) below:
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