• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
Figure 6. PRF connection.
Figure 8. Target rate and range connection.

Calibration Procedure For Radar Test Set, Model An/Upm-145 Page Navigation
  13    14    15    16    17  18  19    20    21    22    23  
img
. . . . .
TB 9-6625-2162-24
Figure 7. Pulse characteristics connection.
(6) Position controls as listed in (a) through (d) below:
MODE switch to SIG GEN PULSE.
(a)
ATTENUATION DB 0-80 switch to 0.
(b)
ATTENUATION DB FINE control fully cw.
(c)
DISPLAY SELECT switch to PW (MICROSEC).
(d)
(7) Press 5 and then E on keyboard. Set oscilloscope controls to measure pulse
width. Oscilloscope will indicate within limits specified in first row of table 7.
(8) Repeat (7) above using keyboard entries listed in table 7.
Oscilloscope will
indicate within limits specified in table 7.
Table 7. Pulse Width
Test instrument
Oscilloscope indications (Ps)
keyboard entries
Min
Max
5 and E
4.85
5.15
4 and E
3.88
4.12
3 and E
2.91
3.09
2 and E
1.94
2.06
1 and E
0.95
1.05
0.5 and E
0.45
0.55
0.2 and E
0.15
0.25
(9) Press 5 and then E on keyboard. Measure the pulse rise time. Rise time will be
0.1 Ps or less.
(10) Measure pulse decay time. Decay time will be 0.1 Ps or less.
(11) Repeat (9) and (10) above for keyboard entries of 4, 3, 2, and 1.
b. Adjustments. No adjustments can be made.
19


Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved.