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Size : Ham Radio Amplifier
Type : 4W VHF UHF RF power Amplifier
Style : Walkie talkie Short wave amp
Output Type : dc 15-30v
Model Number : 3w RF power Amplifier
DIY Supplies : ELECTRICAL
Origin : Mainland China
Certification : NONE
VHF UHF RF power Amplifier : Ham Radio
RF power Amplifier : Ham Radio Amplifier
1-800mhz 4W HF VHF UHF FM transmitter Broadband RF power Amplifier For Ham Radio Walkie talkie Short wave 868M 915M
Note: The RF power amplifier is a vulnerable part, be sure to connect the input and output and pay attention to the impedance matching and power-on test
VHF UHF RF power amplifier
WORK frequency : 0.5MHz~1000MHz ( Power not less than 4w within1-800M )
Input voltage 15-30V DC
Maximum gain 40dB@25MHz
Typical output power 36dBm (approximately 4w)
1: Support wide voltage input, within the allowable supply voltage range, how the input voltage changes and the output power is still stable
2: Larger heat sink, this module will generate a lot of heat, very hot and very hot, small heat sink will not work
3: The parameters are not false. All parameters are from actual measurement. The lowest frequency of the back-end chip used in this amplifier is 100MHz (official data). When my lowest frequency is 50MHz, the output drops to 23dBm, and the output is negative after 2MHz.
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