VXA-710 S
PIRIT
O
PERATING
M
ANUAL
57
S
PECIFICATIONS
Receiver
Circuit Type
:
Double-conversion Superheterodyne
IFs
:
35.4 MHz & 450 kHz ( AM / NFM ),
45.65 MHz & 10.7MHz ( WFM )
Sensitivity
:
88-108 MHz: better than 2 µV
(for 12 dB SINAD with 1 kHz tone @ 22.5 kHz deviation)
108 MHz-137 MHz: better than 1 µV
(for 6 dB S/N with 1 kHz tone @ 30 % modulation)
BRS-01 - BRS-21: better than 0.32 µV
(for 12 dB S/N with 1 kHz tone @ 3.5 kHz deviation)
WX-01 - WX-10: better than 0.4 µV
(for 12 dB S/N with 1 kHz tone @ 3.5 kHz deviation)
Selectivity
:
AM/FM: more than 8 kHz/–6 dB,
WFM: more than 200 kHz/–6 dB
Adjacent Ch. Selectivity
:
AM/FM: less than 25 kHz/–60 dB,
WFM: less than 300 kHz/–20 dB
AF Output
:
0.2 W @ 8 Ohms, 10 % THD @ 7.4V
0.4 W @ 8 Ohms, 10 % THD @ 13.8V
Transmitter
Power Output
:
118 MHz-137 MHz: AM: 5.0 W (PEP), 1.5 W (Carrier Power) @ 7.4 V
Frequency Stability
:
Better than ±2.5 ppm (–22 °F to 140 °F/–30 °C to +60 °C)
Modulation System
:
AM: Low Level Modulation
Spurious Emission
:
Better than 60 dB below carrier
Int. Microphone Type
:
Condenser
Ext. Mic. Impedance
:
150 Ohms
Содержание VXA-710 SPIRIT
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