General information
HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 2-7
Receiver specifications
Type
Dual conversion,
superheterodyne
IF frequencies
45 MHz and 455 kHz
Sensitivity Frequency RF Amp OFF
0.25 to 2 MHz
2 to 26.25 MHz
26.5 to 30 MHz
Typical: 3 µV PD
0.35 (0.45) µV PD
-116 (-114) dBm
Typical: 0.5 µV PD
-113 dBm
Frequency RF Amp ON
2 to 26.25 MHz
26.5 to 30 MHz
0.12 (0.15) µV PD
-125 (-123) dBm
Typical: 0.18 µV PD
-122 dBm
For 10 dB SINAD with greater than 50 mW audio output
Input Protection
Will withstand 50 V RMS RF from a 50 Ω source
Selectivity
Greater than 70 (65) dB at -1 kHz and +4 kHz reference SCF
USB
Pass Band -6 (-8) dB
300 to 2600 Hz
Ripple 2 (4) dB PP
500 to 2500 Hz
Desensitisation
10 dB SINAD reduced to 7 dB SINAD
-1 and +4 kHz (ref SCF) 65 (60) dB
±10 kHz 80 (75) dB
±50 kHz 95 (90) dB
Blocking
As for Desensitisation
Image rejection
Better than 120 (110) dB
Spurious responses
Better than 90 (70) dB
Self generated signals > 0.35 µV PD:
7303, 9125, 10950, 12775, 14607, 18250, 20075, 21900,
23725 kHz
Cross modulation
A signal 90 (85) dB above a signal producing 10 dB SINAD,
modulated 30% and removed at least 20 kHz from the wanted
signal, will produce an increase in receiver noise of less than
3 dB
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