Kirisun DP485 User Manual

DP485 Service Manual
39
77
2LW1-16UC-150J
SMD wire wound inductor
sagami,C1608CB-15NJ,15,nH,
±5%,1608
1
L3
78
2LW1-16UC-180J
SMD wire wound inductor
sagami,C1608CB-18NJ,18,nH,
±5%,1608
1
L5
79
2LW1-20UC-221J
SMD wire wound inductor
murata,LQW2BHNR22J03L,22
0,nH,±5%,2012
1
L508
80
2LW1-20UC-8R2J
SMD wire wound inductor
2012,8.2nH±5%,
(C2012C-8N2J)
1
L29
81
2RE1-10-1003
SMD precision resistor
1005,100K±1%
2
R105,R107
82
2RE1-10-1602
SMD precision resistor
YAGEO,RC0402FR-0716K2L,
16.2,KΩ,±1%,0402
1
R106
83
2RE1-10-6802
SMD precision resistor
yageo,RC0402FR-0768KL,68,
KΩ,±1%,0402
1
R104
84
2RE1-16-1003
SMD precision resistor
yageo,RC0603FR-07100KL,10
0,KΩ,±1%,0603
2
R527,R528
85
2RE1-16-1503
SMD precision resistor
yageo,RC0603FR-07150KL,15
0,KΩ,±1%,0603
2
R518,R525
86
2RE1-16-2203
SMD precision resistor
yageo,RC0603FR-07220KL,22
0,KΩ,±1%,0603
1
R42
87
2RS1-10-000O
Chip resistor
yageo,RC0402JR-070RL,0,Ω,
±5%,0402
36
C75,R43,R45,R46,R47,R71,R72,R167,R11,R26,R
92,R251,R252,C73,C569,C570,C577,R504,R516,
R555,C48,C53,R7,R20,R32,R82,R83,R88,R624,C
80,R76,R101,R112,R171,R21,IC301(第 2,3 脚)

Kirisun DP485 Specifications

General

Frequency	136~174 MHz, 400~470 MHz
Channel Capacity	256 channels
Channel Spacing	25 kHz/12.5kHz
Antenna Impedance	50Ω
Operating Voltage	7.4V
Rated Power	1W 16Ω
Transmitting Power	4W/1W@7.4V DC
Current Consumption	≤1.5A@ 7.4V DC
Working Temperature	-25℃~ +55℃
Microphone Impedance	2.2kΩ
Battery	Lithium-ion battery DC 7.4V , 2000mAh
Receiving Sensitivity (12dB SINAD )	-120dBm
Squelch Sensitivity (3-level)	≤-120dBm
Selectivity of Adjacent Channels	70dB@25KHz /60dB@12.5KHz
Intermodulation Immunity	65dB@25KHz/12.5 KHz
Blocking	84dB
Frequency Stability	≤±2.5ppm
Maximum Modulation Offset	±5kHz@25KHz /±2.5kHz@12.5KHz
Modulation Distortion	≤3%
Spurious Emission	≤-36dBm