QP-650U Plus Specifications
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Specifications
General
Frequency Range
UHF: 400-470MHz
Channel Capacity
16
Channel Spacing
25/20/12.5KHz
Operating Voltage
7.4V
Battery 1400mAh(Li-ion)
Frequency Stability
±2.5ppm
Operating Temperature
-20
℃
~+50
℃
Antenna Impedance
50
Ω
Transmitter
RF Power Output
5W/1W
Modulation 16K
Φ
F3E/8K
Φ
F3E
Spurious and Harmonics
≤
7.5uW
FM Noise
40dB
Audio Distortion
≤
5 %
Receiver
Sensitivity 0.25/0.25
μ
V
Selectivity 60dB
Intermodulation 60dB
S/N 45/40dB
Rated Audio power output
500mW
Rated Audio Distortion
≤
5%
Summary of Contents for QP650U Plus
Page 1: ... 1 QP 650U Plus Service Manual Quantun Electronics LLC ...
Page 2: ... 2 Revised History No Date Decription Version Note 1 2010 3 9 Issue V0 1A ...
Page 58: ...QP 650U Plus PC Board View 58 PC Board View QP 650U Plus PCB Top Layer View 1 ...
Page 59: ...QP 650U Plus PC Board View 59 QP 650U Plus PCB Top Layer View 2 ...
Page 60: ...QP 650U Plus PC Board View 60 QP 650U Plus PCB Bottom Layer View 1 ...
Page 61: ...QP 650U Plus PC Board View 61 QP 650U Plus PCB Bottom Layer View 2 ...
Page 62: ...QP 650U Plus Block Diagram 62 Block Diagram ...
Page 63: ...QP 650U Plus Schematic Diagram 63 Schematic Diagram RF Section ...
Page 64: ...QP 650U Plus Schematic Diagram 64 AF Section ...
Page 65: ...QP 650U Plus Schematic Diagram 65 MCU Section ...
