RFU80 - 80W FM RF Power Amplifier Pallet 88MHz-108MHz Input 1.2W output 80W
80 W – FM Amplifier PalletDesigned for fm radio transmitter , Drivers
this amplifier incorporates microstrip technology
and MOSFET transistor to enhance ruggedness
and reliability.
SWR SENSOR / LPF ON BOARD
this amplifier incorporates microstrip technology
and MOSFET transistor to enhance ruggedness
and reliability.
SWR SENSOR / LPF ON BOARD
• 87.5 ÷ 108 MHz
• 28 Volts
• Input/Output 50 Ω
• Pout : 50W min 80W max• Gain : 18 dB typ 19.5 db max
• Class B Id=2mA
• Low pass filter on board
• SWR sensor on board
• Devices: MRF173 or equivalent
• 28 Volts
• Input/Output 50 Ω
• Pout : 50W min 80W max• Gain : 18 dB typ 19.5 db max
• Class B Id=2mA
• Low pass filter on board
• SWR sensor on board
• Devices: MRF173 or equivalent
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:30V
Idc Supply Current:5A
swr Load Mismatch (all phase angles, Tc=40°C, Id=4A):10:1SWR
Pin Input RF Power:3W
Tstg Storage Temperature Range: -40 to +80°C
Tc Operating Temperature:+70°C
Idc Supply Current:5A
swr Load Mismatch (all phase angles, Tc=40°C, Id=4A):10:1SWR
Pin Input RF Power:3W
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 @3.8A)
Operating Frequency Range:86-109 MHzFundamental Output Power:55W -80 W
Input Power:1.2WPower Gain (50W output):18-19.5 db
Drain Efficiency (Load 50Ω):60-70 %
Input SWR: 3:1 2:1 SWR
F2 Second Harmonic: -60 to -70 dbc
F3 Third Harmonic: -55 to -65 dbc
Operating Frequency Range:86-109 MHzFundamental Output Power:55W -80 W
Input Power:1.2WPower Gain (50W output):18-19.5 db
Drain Efficiency (Load 50Ω):60-70 %
Input SWR: 3:1 2:1 SWR
F2 Second Harmonic: -60 to -70 dbc
F3 Third Harmonic: -55 to -65 dbc
ELECTRICAL CONNECTIONS
Warning – Operating without antenna or dummy load (50ohm) can permanently damage to the low power fm.
Warning – Check the output connection before applying DC voltage to the module.
Warning – Operating without antenna or dummy load (50ohm) can permanently damage to the low power fm.
Warning – Check the output connection before applying DC voltage to the module.
HEATSINK MOUNTING/HARDWARE
Warning – This module must be place on a heat sink that is at least 150X80X40 mm
If the module will be over heated above 50°C – Air fan should be applied to the heat sink.
Warning – Overheating can cause permanently damage to the power transistor.
Warning – This module must be place on a heat sink that is at least 150X80X40 mm
If the module will be over heated above 50°C – Air fan should be applied to the heat sink.
Warning – Overheating can cause permanently damage to the power transistor.
1.HEATSINK TOOLING
-Planarity: typical value 1μ
-Roughness: better than 0.05 mm
2.THERMAL COMPOUND
-Paste with silicones
-Thickness: optimum between 0.06 mm and 0.15 mm, on the whole back surface
of fm amplifier.
3.SCREWS
-M3 hexagon socket head cap screws
-The recommended Torque is 12 Kg/cm for M3 type screws
4.TIGHTENING ORDER
-See next figure: (all dimensions are in mm)
-Planarity: typical value 1μ
-Roughness: better than 0.05 mm
2.THERMAL COMPOUND
-Paste with silicones
-Thickness: optimum between 0.06 mm and 0.15 mm, on the whole back surface
of fm amplifier.
3.SCREWS
-M3 hexagon socket head cap screws
-The recommended Torque is 12 Kg/cm for M3 type screws
4.TIGHTENING ORDER
-See next figure: (all dimensions are in mm)
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