[GreenKeys] RS-232 to 60mA current loop conversion f

Doug Alderdice ka2wft at arrl.net
Mon Jan 26 19:21:23 EST 2009


At 07:01 PM 1/26/2009 -0500, Howard Weeks wrote:
>The MJE 340 is inexpensive and there are other more modern
>equivalents - maybe the TIP 48.


I have used the TIP48 for keying selector loops and no snubbers.


Doug, KA2WFT




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