Monday, July 11, 2011

10Mhz-500MHz RF Amplifier

10Mhz-500MHz RF Amplifier circuit diagram

The above schematic diagram is the wide band RF amplifier circuit which is suitable for the frequencies between 10MHz and 500MHz.

This wide band amplifiers can be used in RF measuring equipment, communication receivers, and tons of other devices related to high frequency (radio frequency). The circuit described here uses a state of the art transistor to get maximum performance at high frequencies. It can be used as a low noise pre-amplifier due to its low noise characteristics.

RF Amplifier specifications:
  • Supply voltage : +12V
  • Current : 10mA
  • IP2 : 110dBuV
  • IP3 : 105dBuV
  • Input / output impedance : 50 Ohm
  • Frequency range : 10MHz – 500MHz
  • Noise figure : 3.5dB typical

Documentation about this 10Mhz-500MHz RF Amplifier can be download from this link

About RF Amplifier
An RF power amplifier is a type of electronic amplifier which is utilised to convert a low-power radio-frequency signal into a larger signal of significant power, usually for driving the antenna of a transmitter. It is usually optimized to have high efficiency, high output Power (P1dB) compression, good gain, good return loss on the input and output, and optimum heat dissipation.

The basic applications of the RF power amplifier include driving to another high power source, driving a transmitting antenna, microwave heating, and exciting resonant cavity structures. Among these applications, driving transmitter antennas is most well known.
More explanation about power audio amplifier can be found at wikipedia.org
This is a demonstration about 01A RF Amplifier which is build used old tube component to amplify the signal.

Watch the video:

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