FP520 Service Manual
Page 26 of 64
7.2 RX Part
Sensitivity (12dB SINAD)
≤0.25μV
Squelch-On Sensitivity
≤0.18uV
Receiver Residual Output
≤-35dB
Modulation Receiving Bandwidth
±3.5kHz
Adjacent Channel Selectivity
≥50dB
Intermodulation Interference Rejection
≥65dB
Spurious Response Rejection
≥70dB
Audio Output Power
1.3W
,
BTL @Distortion
≤10%
,
16Ω
Receiving Consumption Current
≤400mA
7.3 TX Part
Tx Power
4.0W/1.0W @ 7.5V DC
Frequency Stability
≤ ±2.5ppm
The Maximum Modulation Frequency Deviation
±2.5kHz
Modulation Distortion
(
300~3000Hz
)
≤ 3%
Adjacent Channel Transmitting Power
≥60dB
Spurious Transmitting
≥70 dB
Residual Modulation Frequency
≥40 dB
Transmitting Consumption Current
≤1.7A @ 7.5V DC
Summary of Contents for FP520
Page 1: ... 键入文档副标题 gh 选取日期 在此处键入文档的摘要 摘要通常是对文档内容的简短总结 在此处键入文档的摘要 摘要 通常是对文档内容的简短总结 ...
Page 44: ...FP520 Service Manual Page 43 of 64 Figure 1 FP520 01 Mainboard Schematic Diagram 136 174MHz ...
Page 45: ...FP520 Service Manual Page 44 of 64 ...
Page 46: ...FP520 Service Manual Page 45 of 64 ...
Page 47: ...FP520 Service Manual Page 46 of 64 ...
Page 48: ...FP520 Service Manual Page 47 of 64 ...
Page 49: ...FP520 Service Manual Page 48 of 64 ...
Page 50: ...FP520 Service Manual Page 49 of 64 ...
Page 51: ...FP520 Service Manual Page 50 of 64 ...
Page 54: ...FP520 Service Manual Page 53 of 64 Figure 4 FP520 02 Mainboard Schematic Diagram 400 470MHz ...
Page 55: ...FP520 Service Manual Page 54 of 64 ...
Page 56: ...FP520 Service Manual Page 55 of 64 ...
Page 57: ...FP520 Service Manual Page 56 of 64 ...
Page 58: ...FP520 Service Manual Page 57 of 64 ...
Page 59: ...FP520 Service Manual Page 58 of 64 ...
Page 60: ...FP520 Service Manual Page 59 of 64 ...
Page 61: ...FP520 Service Manual Page 60 of 64 ...
Page 64: ...FP520 Service Manual Page 63 of 64 Figure 7 KBC 51 7 4V Electrical Schematic Diagram ...