Tetra PA 350~470MHz Power Amplifier Module

Product Description

TETRA350~470Mhz Power Amplifier Module
BT-PTT350-20/D4250-KR1

Items	Downlink
Frequency rang(MHz)	350-370
Output Power@(25ºC)	42±1dBm
ALC	Output Power keep Max.Output Power±1.5dB @(20dB>Input signal increased>10dB)
Gain(25ºC)	≤50±2dB
Gain Adjustable rang	≥30dB
Step of Gain Adjustable	≤1dB
Error of Gain Adjustable	When Gain adjustable rang≤20dB Total error≤±1dB @ 0~20dB
	When Gain adjustable rang>20dB Total error ≤ ±1.5dB @>20dB
IMD3	≤-45dBc
In Band Ripple	≤2dB
Frequency Error	≤0.01ppm
VSWR	≤1.5
Group delay time	≤1μs
Max. Input Power no Damage	+10dBm(CW)
Power Supply	+28V; ≤2.5A
Operating Temperature	-25~+55ºC

A. POWER-6 Connector for Power Supply& Monitor,Pin definition: PIN 1 -->RS485A;
PIN 2 -->RS485B;
PIN 3 -->NC;
PIN 4 -->GND;
PIN 5 -->NC;
PIN 6 -->+28V; B. RF Connector: SMA-50KFD
C. Monitoring functions PA setup function: Module address, PA=ON/OFF, ALC, ATT; PA Query function: Working status(on/off,input/output, Revers power, Temperature, VSWR, ATT, ALC, PA Input power,or LNA output power), Alarm(over Temperature,VSWR, PA Fault); Over Temperature Alarm: Alarm threshold +85ºC, meanwhile switch off PA, When Temperature lower to +80ºC, switch on PA automatically. PA Fault Alarm: Low gain Alarm; Amplifier temperature detection: Temperature detection rang including but not limited -40ºC~+85ºC, Detection accuracy<±3ºC; PA Forward Power detection: Detect total power, Modulated signal test, detection rang 25dBm~46dBm, Detection accuracy<±2dBm; PA Revers Power detection: Detect total power, Modulated signal test detection rang 25dBm~46dBm, Detection accuracy<±2dBm; D. Dimensions