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TABLE 3-1. BANDPASS FILTER CHARACTERISTICS
Bandpass Filter
*3
400 Hz
-200
1.2
kHz
-600
6.8 kHz
-3400
LSB
+350
USB
-350
400 Hz
-200
(Defined delay)
-600
1.2
kHz
(Defined delay)
-600
1.2
kHz
(Defined delay)
-1620
3.24
kHz
(Defined delay)
-3400
6.8
kHz
(Defined delay)
-8000*
16.0
kHz
(Defined delay)
-250
500
kHz
(Linear phase)
-500
1.0 kHz
(Linear phase)
-1000
2.0 kHz
(Linear phase)
-1500
3.0 kHz
(Linear phase)
-3000
6.0 kHz
NOTES:
*16.0 kHz (defined delay) filter shall be 2 dB maximum attenuation. LSB
filter should be monitored at TP7 on A5 board if this board is installed.
Racal RA6790/GM Alignment & Tuning Manual
Pas
sband
dB
Maximum
Attenuation
From
+200
+600
+3400
+3050
-3050
+200
+600
+600
+1620
+3400
+8000*
+250
+500
+1000
+1500
+3000
- Hz
Stopband
60 dB Minimum
To
Below
-1240
-3600
-1120
-300
-4000
-500
-1500
-1500
-2150
-6800
-16000
-1500
-3000
-6000
-9000
-18000
- Hz
Attenuation
Above
+1240
+3600
+12000
+4000
+300
+500
+1500
+1500
+2150
+6800
+16000
+1500
+3000
+6000
+9000
+18000
Page 10 of 20
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