insider.si.edu

All-American type R-12 audio frequency transformer

All-American type R-12 audio frequency transformer. Marked: "All-American / Audio Frequency Transformer / Type R-12 / Ratio - 3 to 1 / All-American Radio Corp. / Chicago". A standard audio transformer ...
EDN

Balun transformers: Linking balanced to unbalanced

Baluns enable impedance matching, minimize signal distortion, and suppress common-mode noise in RF and high-frequency designs ...
insider.si.edu

All-American model R-15 audio transformer

All-American Radio Corporation type R-15 AF transformer in original box. Marked: "Type R-15 Ratio 5 to 1 / All-American / Audio Frequency Transformer / Guarantee No. 103475 / All-American Radio Corp. ...
Electronics Weekly

Murata announces transformer for high power, high frequency applications

Murata has announced an HPHF (high power, high frequency) transformer technology that uses a proprietary winding technique, allowing designers to “efficiently reach power and frequency levels that ...