SEIMENS S.B 202 TRANSMITTER / RECEIVER

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ABOVE IS THE SEIMENS S.B 202 TRANSMITTER IT HAD A POWER OF 250 WATTS IT WAS BASICALLY A CW / ICW TRANSMITTER, BUT DID HAVE R/T CAPABILITY. IT ALSO HAD THE NOVEL IDEA ( FOR THAT PERIOD ) OF HAVING THE H.T TO THE FINAL RTECTIFIED BY A METAL RECTIFIER, AS OPPOSED TO HAVING RAW A.C APPLIED TO THE FINAL ANODE ! THE UPPER PART CONTAINS THE TRANSMITTER SECTION, THE CENTRE SECTION IS THE "SWITCHING UNIT " ( CONTROLS POWER / SWITCHING ETC TO THE TRANSMITTER ) AND THE LOWER SECTION HOUSES THE RECEIVER.

 

 

 

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