TB 9-6625-2162-24
11. PRF and Pulse Characteristics
a. Performance Check
(1) Connect equipment as shown in figure 6.
Figure 6. PRF connection.
(2) Set DISPLAY SELECT switch to PRF (Hz), TRIGGER switch to IN POS,
and MODE switch to RADAR PULSE.
(3) Set pulse generator controls for a positive 1 Ps pulse with an amplitude of 10 V.
Adjust pulse generator frequency until TI display indicates 50. Frequency counter will
indicate within limits specified in first row of table 6.
(4) Repeat technique of (3) above for TI display indications listed in table 6.
Frequency counter will indicate within limits specified in table 6.
Table 6. PRF
Frequency counter indications
Test instrument
(Hz)
display indications
Min
Max
50
49.0
51.0
100
99.0
101.0
500
499.0
501.0
1000
999.0
1001.0
5000
4999.0
5001.0
10,000
9999.0
10,001.0
50,000
49,999.0
50,001.0
(5) Adjust pulse generator controls for a TI display of 1000. Connect equipment as
shown in figure 7.