THE CORSAIR TRANSMITTER by Dave Martin the corsair shortwave transmitter, how to build it
THE CORSAIR 2007 TRANSMITTER
The CORSAIR transmitter was designed by
Dave Martin of W.N.K.R. It is a 10 watt AM short wave transmitter that does not need a modulation transformer, thereby much simplifying the design.
The "Pierce" oscillator  uses a common symmetrical FeT, the 2N3819.
The driver stage is a BFY 51 and is series modulated by a LM386 Audio IC.
The output stage is a very robust MoSFeT, the IRF530.
It is possible to achieve more output power than 10 watts.
But to give excellent audio reproduction, the power has been kept to the lower level.
On these pages we will outline versions of the "CORSAIR" for use on different bands.
At present versions have been made and used on air on medium wave through to 32 metres ( 9.3Mhz).

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