JRC JHS-32B, Instruction Manual

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130
SPECIFICA
TIONS
(3) NRE-332 Guard Receiver
Receiving mode Simultaneous reception of any two selected ITU/USA channels
Channels received 57 (ITU/USA)
Reception mode G3E (F3E)
Frequency accuracy Within
±
10X10
-6
Antenna impedance 50
Ω
unbalanced
Receiving system Double superhetrodyne
1st IF 21.4MHz
2nd IF 455kHz
Local oscillation frequency Reception fre21.4MHz
Local oscillation method Frequency synthesizer
Sensitivity 2
µ
V or better (20dB NQ)
Squelch sensitivity 1
µ
V or better
Selectivity 6dB bandwidth: 12kHz or more
70dB selectivity: 25kHz or less
Spurious response 70dB or more (20dB NQ)
Blocking 90dB
µ
or more (
±
1–10MHz), 80dB
µ
or more (20dB NQ)
Intermodulation 70dB
µ
or more (20dB NQ)
Overall distortion 10% or better
Signal-to-noise ratio 40dB or more
Rated audio output 2W (4
Ω
)
De emphasis characteristics 6dB/oct, +1dB, -3dB
Power supply, current 100V-120VAC (50/60Hz), 1A or less, or 200V-240VAC (50/60Hz),
0.5A or less; and 24VDC (21.6-31.2VDC), 1A or less.
Input switching AC is the default, automatically switching to DC in case of AC power
failure.
Ambient conditions Same as the JHS-32B main unit
Dimensions 290mm (H) X 140mm (W) X 145mm (D) (excluding projecting parts)
Mass Approx. 5 kg
8.3 Options