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Figure 3-74. Typical PILOT 2ND IF Bandpass (SHIFT t)
Figure 3-75. Typical PILOT 2ND IF Bandpass (SHIFT 1)
Key in [*] 0) u and note amplitude of signal. Key in ISHIFT)
42.
43. Continue to key in [SHIFT] 0) u then a T while adjusting
states of the Second LO l
44. Check the bandpass at the 3 dB points for both the 2ND LO 1
and 1. On the scalar network analyzer, press (CURSORJ Max. Press
cursor A (ON) and set the cursor at the -3 dB point fO.l dB. Press
cursor A, cursor A, and set the cursor to the corresponding -3 dB
point on the opposit side of the signal. The cursor should now
read 0 fO.l dB.
45. On the synthesized sweeper, press Irvr3) and place the marker on
either cursor A. Press (M4), and place the marker on the cursor A
on the opposite side of the trace.
46. On the synthesized sweeper, press [Morn), and read the bandpass
Figure 3-74 and Figure 3-75.
47. Disconnect the detector from cable 80 (gray/black) and connect
cable 92 (white/red) from A23A3J5 (2ND IF) to the scalar network
analyzer's A input.
19. Second Converter Adjustments
Adjustments 3-127
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