TB 9-6625-2330-24
9. Frequency Accuracy
a. Performance Check
(1) Connect frequency counter input A to TI RF OUTPUT.
(2) Configure frequency counter controls to measure frequency with 50 Ω input.
(3) Press TI pushbuttons as listed in (a) through (e) below:
(a) FUNCTION-CARR FREQ.
(b) DATA ENTRY-100 kHz.
(c) FUNCTION-CARR LEVEL.
(d) DATA ENTRY- -3 dBm.
(e) FUNCTION-RF ON to on (red light lit).
(4) Frequency counter will indicate within limits specified in table 4.
(5) Set TI to next frequency listed in table 4 using TI FUNCTION-CARR FREQ
and DATA ENTRY keys and repeat (4) above.
(6) Repeat (4) and (5) above for remaining frequencies listed in table 4.
Table 4. Frequency.
Test instrument
Frequency counter indications
DATA ENTRY
Min
Max
frequency
0.100
MHz
0.0999999
MHz
0.1000001
MHz
0.500
MHz
0.4999995
MHz
0.5000005
MHz
0.999999
MHz
1.000001
MHz
1
MHz
4.999995
MHz
5.000005
MHz
5
MHz
9.999990
MHz
10.000010
MHz
10
MHz
49.999950
MHz
50.0000500
MHz
50
MHz
99.999900
MHz
100.000100
MHz
100
MHz
MHz1
499.999500
MHz
500.000500
MHz
500
1299.998700
MHz
1300.001300
MHz
1300
MHz
1999.998000
MHz
2000.002000
MHz
2000
MHz
1
Press TI FUNCTION-RF ON to off (red light extinguished). Disconnect cable from frequency counter
input A and connect cable to frequency counter input C. Press TI FUNCTION-RF ON (red light lit)
and verify frequency counter is within limits listed.
(7) Press TI FUNCTION-RF ON pushbutton to off (red light extinguished).
b. Adjustments. No adjustments can be made.
