AMU300 - 300W FM RF Power Amplifier Module 88MHz-108MHz Input 2W output 300W

AMU300 - 300W  fm transmitter kits  Amplifier Module 88MHz-108MHz Input 2W output 300W

300 W – FM Amplifier Module
Designed for fm radio transmitter ,
this amplifier incorporates micro strip technology
and MOSFET transistor to enhance ruggedness
and  reliability.
SWR SENSOR / SWR PROTECTION
/ LPF ON BOARD

• 87.5 ÷ 108 MHz
• 48 Volts and 24V required
• Input / Output 50 Ω
• Gain: 18 dB typ 19.5 db max
• Class B Id=2mA
• Low pass filter on board
• SWR sensor on board
• Devices: MRF151 or equivalent + MRF314 (input section)

Dimension (L x W x H): 125 x 50 x 15mm [5” x 2” x 0.6”]
This picture is a mere example, it does not bind the
provided product

ABSOLUTE MAXIMUM RATINGS (Device Flange T = 70 °C)

Vdc  Drain Voltage Supply:52V
Idc Supply Current:12A
Vswr  Load Mismatch (all phase angles, Tc=40°C, Id=4A):3:1 Vswr
Pin  Input  RF  Power: 2W
Tstg  Storage Temperature Range : -40 to +80  °C
Tc Operating Temperature: +70  °C

ELECTRICAL SPECIFICATIONS (Base Plate T = 45 °C, 50Ω loaded, Vd = 28 V)

Operating Frequency Range: 86 ~ 109  MHz
Fundamental Output Power: 280 ~ 320  W
Input Power:  1~ 2W
Power Gain (300W output): 17.5 ~ 19db
Drain Efficiency (Load 50Ω): 60 ~ 65 %
Input VSWR: 1.5:1     1.7:1 Vswr
F2 Second Harmonic:  -70 ~ -80  dbc
F3 Third Harmonic :  -60 ~ -65 dbc

ELECTRICAL CONNECTIONS
Warning – Operating without antenna or dummy load (50ohm) can permanently damage to the  long range fm transmitter.
Warning – Check the output connection before applying DC voltage to the module.