Wednesday, October 26, 2011

RF Amplifier Circuit 10MHz - 500MHz based BFR540

RF Amplifier Circuit 10MHz - 500MHz based BFR540

This is a RF amplifier circuit for 10Mhz - 500Mhz input signal. The RF amplifier is using single power transistor BFR540 as the main component to amplify the input signal. The BFR540 is an NPN silicon planar epitaxial transistor in a SOT23 plastic package. BFR540 featured with high power gain, low noise figure, high transition frequency and have gold metallization ensures excellent reliability.

Saturday, October 22, 2011

25W RF Amplifier Circuit 88-108Mhz

25W RF Amplifier Circuit 88-108Mhz

25W RF amplifier circuit diagram. The circuit is used for 88-108Mhz FM Transmitter. This RF amplifier use power transistor BLY88C for the final signal amplifier.