Kirisun DP485 User Manual

DP485 Service Manual
33
10
1DS1-1SS390
SMD switch diode
ROHM,1SS390,1.6mm*0.8mm
*0.6mm,-55℃ to 125℃
2
D502,D503
11
1DS1-RN142S
SMD switch diode
ROHM,RN142S,1.6mm*0.8m
m*0.6mm,-55℃ to 150℃
2
D500,D501
12
1ID1-MXD2020ML
SMD universal logic IC
(accelerometer)
memsic,MXD2020ML,LCC-8，
5.0mm*5.0mm*1.99mm,-40℃
to 105℃
1
U4
13
1IL1-NJM2904V
R SMD linear IC
JRC,NJM2904V,SSOP-8,-40℃
to 85℃
2
IC500,IC302
14
1IS1-AT2659
Low noise amplifier DP990
AT2659,1550MHz～
1615MHz,6pinDFN
1
U8
15
1IS1-MCP4802-A
D/A converter IC
MICROCHIP,MCP4802
1
U20
16
1IS1-MP2359
SMD switch power supply
IC
MPS,MP2359,TSOT23-6,-40
to +85℃
1
IC102
17
1IS1-TDA2822
SMD IC
UTC,TDA2822,SOP8,-20 to
+85℃
1
U600
18
1IS1-UBX-M8030
GPS IC
UBLOX,UBX-M8030
1
U3
19
1IS1-XC6204B502M
R
SMD voltage regulator IC
TOREX,XC6204B502MR,SOT-
25,-40~85°
1
IC100
20
1IS1-XC6209F332M
SMD voltage regulator IC
TOREX,XC6209F332MR,SOT-
25,-40~85°
1
IC15
21
1TC1-UMC4
SMD Darlington tube
Rohm,UMC4N,UMT5,-~150℃
1
U301
22
1TF1-RD01MUS2-50
1
SMD field effect transistor
MITSUBISHI,RD01MUS2-501,
S0T-89,-~150℃
1
Q501
23
1TF1-RD07MUS2B-5
01
SMD field effect transistor
MITSUBISHI,RD07MUS2B-50
1,SLP,-~150℃
1
Q500

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