Keywords: Indirectfmmodulator.jpg Indirect FM phase modulation circuit for a hypothetical transmitter Transferred from http //en wikibooks org en wikibooks; transferred to Commons by User Adrignola using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2006-04-07 Original uploader was Hapa at http //en wikibooks org en wikibooks This image is in the public domain b English Wikibooks Hapa Original upload log page en wikibooks Indirectfmmodulator jpg 2006-04-07 00 12 Hapa 640×440× 22200 bytes <nowiki>Indirect FM phase modulation circuit for a hypothetical transmitter</nowiki> Radio circuits FM radio transmitters FM radio engineering Frequency and phase modulation |