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23cm Projekten - Versterkers

Klik voor vergroting1 Watt 2.3 GHz RF Amplifier Using a MRF2001 by Mike Micelli
Simplicity and repeatability are featured in this 1-waat S-band amplifier design. The design uses an MRF2001 transistor as a common base, Class C amplifier. The amplifier delivers 1-watt output with 8 dB minimum gain at 24V, and is tunable from 2.25 to 2.35 GHz.

Klik voor vergroting435 + 1296MHz ATF54143 Pre-amplifier by GØMRF
The prototype for this amplifier was originally designed for 70cm and was used on the 2004 '3B9C' Dx-pedition to Rodriguez Island for satellite and EME. It had a noise figure of 0.49dB with an associated gain of 20dB.

Klik voor vergrotingA 1296MHz 2* 2*2C39 Power Amplifier by DL4MEA
This is how all is assembled: A table just below the roof with my 23cm transverter and the power amplifier. Below the table you will see a battery of capacitors which should support the much too small transformer.

Klik voor vergrotingBFG591, ATV amplifier for 1.2 GHz by PA2RF
The BFG591 has an Ft of 7 GHz and at 23cm I should easily be able to get 500 mW RF from it.

Klik voor vergrotingThe PA3CEG 23cm GS35b Project by PA3CEG
This project was based on the latest information (April 2001) from Alex RW1AW. Some of the tubes dimensions in the cavity where hard to find, so they where made from massive material.

Creatie datum : 05/09/2007 @ 20:43
Laatste wijziging : 09/08/2018 @ 09:34
Categorie : 23cm Projekten
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