TB 9-6625-2329-35
(8) Using measuring receiver, set tune receiver to 7.999 MHz and measure RF power.
(9) Adjust R641 (fig. 4) for a 0.00 0.05 dBm power indication on measuring receiver. (R)
(10) Press SHIFT-INSTR PRESET pushbuttons, PARAMETERLEVEL
pushbutton, and press ON/OFFOFF key.
(11) Replace top cover.
10. Attenuation
a. Performance Check
(1) Ensure measuring receiver, sensor module input is connected to TI RF 50Ω.
NOTE
On measuring receiver zero, calibrate, and save sensor values
as necessary.
(2) Using measuring receiver with sensor module, press SHIFT-INSTR PRESET
pushbuttons.
(3) Press pushbuttons as listed in (a) through (d) below:
(a)
SHIFT-INSTR PRESET.
(b)
PARAMETERRF.
(c)
DATA30.
(d)
ENTER/UNITSMHz.
(4) Press measuring receiver pushbuttons as listed in (a) through (d) below:
(a)
AUTOMATIC OPERATION.
(b)
RF POWER.
(c)
LOG/LIN to LOG.
(d)
Enter 32.0 SPCL (0.01 dB resolution).
(5) Press TI PARAMETERLEVEL pushbutton, enter DATA numerical value and
press ENTER/UNITS dBm key for each row in table 7. Using measuring receiver and RF
power measurement techniques, measured power will indicate within limits specified.
Measuring receiver indications
Test instrument
(dBm)
DATA and
ENTER/UNITS
(dBm)
Min
Max
0
-1.5
+1.5
10
8.5
11.5
13
11.5
14.5
(6) Press TI PARAMETERLEVEL pushbutton, enter DATA 0 numerical value
and press ENTER/UNITS dBm key.
(7) Press measuring receiver pushbuttons as listed in (a) through (d) below:
(a) FREQ.
(b) TUNED RF LEVEL power.
