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EMTX

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QRP:
The EMTX: How to build an 8 component 40/30 meter QRP emergency transmitter

https://swling.com/blog/2021/01/the-emtx-how-to-build-an-8-component-40-30-meter-qrp-emergency-transmitter/

How to build a PC keyer and AM modulator for the EMTX emergency transmitter

https://swling.com/blog/2021/01/how-to-build-a-pc-keyer-and-am-modulator-for-the-emtx-emergency-transmitter/

//QRP

QRP:

Is it possible to replace 2SC2078 with an IRF510
or do these two work in different ways?

Charlie_Dont_Surf:
The 2SC2078 is an NPN BJT. The IRF510 is an N-channel FET. They are not even close to the same thing.

QRP:

--- Quote from: Charlie_Dont_Surf on October 25, 2021, 2119 UTC ---The 2SC2078 is an NPN BJT. The IRF510 is an N-channel FET. They are not even close to the same thing.

--- End quote ---

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