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3
Specifications
Receiver
Circuit Type
:
AM, NFM: Double-Conversion Superheterodyne
WFM: Triple-Conversion Superheterodyne
AM Radio/FM Radio: Single-Conversion Superheterodyne
Intermediate Frequencies
: 1st: 47.25 MHz (AM, NFM)
1st: 45.8 MHz (WFM)
1st: 130 kHz (AM Broadcast/FM Broadcast)
2nd: 450 kHz (AM, NFM)
2nd: 10.7 MHz (WFM)
3rd: 1 MHz (WFM)
Sensitivity
:
3
μ
V for 10 dB SN (0.5-1.8 MHz, AM Broadcast)
3
μ
V for 10 dB SN (1.8-30 MHz, AM)
0.35
μ
V TYP for 12 dB SINAD (30-54 MHz, NFM)
1
μ
V TYP for 12 dB SINAD (54-76 MHz, NFM)
3
μ
V TYP for 12 dB SINAD (76-108 MHz, FM Broadcast)
1.5
μ
V TYP for 10 dB SN (108-137 MHz, AM)
0.2
μ
V for 12 dB SINAD (137-140 MHz, NFM)
0.16
μ
V for 12 dB SINAD (140-150 MHz, NFM)
0.2
μ
V for 12 dB SINAD (150-174 MHz, NFM)
1
μ
V TYP for 12 dB SINAD (174-225 MHz, NFM)
0.5
μ
V for 12 dB SINAD (300-350 MHz, NFM)
0.2
μ
V for 12 dB SINAD (350-400 MHz, NFM)
0.18
μ
V for 12 dB SINAD (400-470 MHz, NFM)
1.5
μ
V for 12 dB SINAD (470-540 MHz, WFM)
3
μ
V TYP for 12 dB SINAD (540-800 MHz, WFM)
1.5
μ
V TYP for 12 dB SINAD (800-999.99 MHz, NFM)
USA Version Cellular Blocked
Selectivity
:
NFM, AM: 12 kHz/35 kHz (–6 dB /–60 dB)
WFM : 200 kHz / 300 kHz (–6 dB/–20 dB)
AF Output
:
50 mW @ 8
Ω
for 10 % THD (@ 3.7 V)
100 mW @8
Ω
for 10 % THD (@ 6 V)
Specifications are subject to change without notice, and are guaranteed within the 144 and 430 MHz amateur bands only. Frequency
ranges will vary according to transceiver version; check with your dealer.
Summary of Contents for VX-3R
Page 5: ...5 Block Diagram...
Page 6: ...6 Note...
Page 15: ...15 Circuit Diagram MAIN Unit Lot 1 3...
Page 16: ...16 Note MAIN Unit Lot 1 3...
Page 19: ...19 MAIN Unit Lot 4 Circuit Diagram...
Page 20: ...20 MAIN Unit Lot 4 Note...
Page 36: ...36 Note Main Unit...
Page 37: ...37 Filter Unit Circuit Diagram...
Page 40: ...40 Filter Unit Note...
Page 41: ...41 SW Unit Lot 1 3 Circuit Diagram...
Page 43: ...43 SW Unit Lot 4 Circuit Diagram...
Page 47: ...47 VCO Unit Circuit Diagram...
Page 51: ...51...