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Kirisun DP485 User Manual

Kirisun DP485
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DP485 Service Manual
14
PIN NO.
Port NO.
Port Name
Function
A7
GPIO_D19
NC_GPIO
B7
GPIO_D20
ECO_0
Channel switch
C7
GPIO_D17
RED_LED
Red LED control
C3
AUX_OUTP
SPK+
Audio output after demodulation by HS8851
D3
AUX_OUTN
SPK-
NC
D1
M_MICP
AFDET
Transmit to HS8851 after reception and
demodulation by AT1846S
D2
M_MICN
NC
NC
E2
HP_MICN
MIC1
Transmit MIC signals to HS8851
H5
DM
USB_DM
USB
J5
DP
USB_DP
USB
L1
HPL_OUT
MOD1
Output digital MIC signals
M1
HPR_OUT
MOD2
NC
D21
SINK3
NC_SINK3
NC
B12
GPIO_D45
NC
NC
C11
GPIO_D55
NC_GPIO
NC
A9
GPIO_D59
APC_SW2
APC_SW2
C9
GPIO_D105
NC_GPIO
NC
C8
GPIO_D43
APC_SW1
APC_SW1
F15
GPIO_D8
NC_GPIO
NC
F14
GPIO_D9
QT/DQT IN
QT/DQT IN
F13
GPIO_D1
LCD_BL
LCD backlight control

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Kirisun DP485 Specifications

General IconGeneral
Frequency136~174 MHz, 400~470 MHz
Channel Capacity256 channels
Channel Spacing25 kHz/12.5kHz
Antenna Impedance50Ω
Operating Voltage7.4V
Rated Power1W 16Ω
Transmitting Power4W/1W@7.4V DC
Current Consumption≤1.5A@ 7.4V DC
Working Temperature-25℃~ +55℃
Microphone Impedance2.2kΩ
BatteryLithium-ion battery DC 7.4V , 2000mAh
Receiving Sensitivity (12dB SINAD )-120dBm
Squelch Sensitivity (3-level)≤-120dBm
Selectivity of Adjacent Channels70dB@25KHz /60dB@12.5KHz
Intermodulation Immunity65dB@25KHz/12.5 KHz
Blocking84dB
Frequency Stability≤±2.5ppm
Maximum Modulation Offset±5kHz@25KHz /±2.5kHz@12.5KHz
Modulation Distortion≤3%
Spurious Emission≤-36dBm

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