Re: inexpensive 600/600 ohm AF transformers
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Such transformers, with, and without CT, can be recovered from old computer modems add-in cards. ? Nuno T. ?
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From: [email protected] [mailto:[email protected]] On Behalf Of wn4isx via groups.io
Sent: 22 February 2025 22:52
To: [email protected]
Subject: [electronics101] inexpensive 600/600 ohm AF transformers ? First, I have no financial stake in Electronic Goldmine, I'm just a satisfied customer. ? I needed some transformers for a special project and Electronic Goldmine started offering these. ?Microtran Pico Transformer PM34-M Miniature 600 Ohm C.T. to 600 Ohm C.T. 50mW Rating"Microtran Pico transformer type PM34-M is a miniature fully encapsulated 50mW rated 600 Ohm C.T. to 600 Ohm C.T. transformer. Frequency response is ±2db 300Hz to 100KHz. Has 6 full length leads. Size only 0.3" x 0.4" x 0.425" tall. New" at ? https://theelectronicgoldmine.com/products/g28678 ? Full specs can be found here https://www.technicalaudio.com/pdf/MicroTran/Microtran_miniature_transformers_catalog_1974.pdf ? Electronic Goldmine offers surplus, new old stock, components and probably doesn't have oodles of these. ? 60Hz appears be just over -3dB. YMWV depending on your system. Short pulses of 1 cycle or 1kHz show minimum ringing. ? These could be ideal for coupling a computer to a ham/shortwave radio, PA, or other interface needs. ? ? -- Nuno T.
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