User's Manual

PRELIMINARY
PRELIMINARY PRELIMINARY
PRELIMINARY –
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Manual
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26
Main technical specifications
General RPV516A(1) RPV516A(2)
Frequency 136MHz～150MHz 150MHz～174MHz
Channel 16
Channel space 25kHz / 12.5kHz
Antenna impedance 50
•
Transmitter
impedance
2KΩ
Input voltage 7.2V DC
Frequency stability ±2.5×10
-6
TCXO 12.8MHz
CPU clock Freq 7.3728MHz
Transmitter
Frequency stability
±
2.5
×
10
-6
Output power 4.0
±
0.5W
Operating
sensitivity
12±4mV
Audio distortion ≤ 5%
Modulation limiting ≤ 5kHz / 2.5kHz
Bandwidth ≤ 16 kHz/8kHz
Modulate speciality ≤±3dB
Spurious RF ≤ 7.5μW
Adjacent power ≤ -65 d B / -55dB
Receiver
Reference
sensitivity
Precede 0.28
•
V / 0.35
•
V
Squelch turnon
sensitivity
≤ 0.4
•
V
Audio frequency 500mW
Audio deviation ≤ 7%
Operating bandwidth ≥│
±
7 kHz│/│
±
3.5 kHz│
Audio response ≤ +2dB -8dB
First IF Freq 38.85MHz
Second IF Freq 450kHz
Channel restrain ≥ -8 d B
Obstruct ≥ 85d B
Selectivity ≥ 65 d B / 60dB
Spurious response ≥ 60 d B
Intermodulation ≥ 60 d B