The PA can be reactive 1-2W Posted at 10-03-11 by Admin views(215)
At last!- a stereo FM transmitter that's a snack to align. This new stereo FM Micromitter is capable of broadcasting good quality signals over a range of about 20 metres. It's ideal for broadcasting music from a CD player or from any other source so Posted at 08-12-18 by Admin views(1130)
Telephone Transmitter, FM. Receive telephone conversations on any FM radio with this neat little device. by Marc Spiwak Would you like to be able to amplify a phone call so everybody can hear it? Or perhaps you'd like a way to record phone calls Posted at 10-03-09 by Admin views(18)
Parts List: All resistors are 1/4 watt 5% R1,R2,R8 = 1K C1 = 1uF/63V, electrolytic R3 = 100K C2,C3 = 10nF, ceramic R4 = 150K C4,C5,C9 = 4.7uF/63V, electrolytic R5,R7 = 10K C6,C12,C13,C14 = 1nF, ceramic R6 = 220 ohm C7,C8,C11 = 5pF Posted at 10-03-09 by Admin views(27)
Additional Notes o For stability, use a NPO types for C2 C4. o Resistance tolerance for R1 should be 1 or 2%. o Frequency range is the usual 87-109Mhz on the FM dial. o The coil is made from 22 ga 'hookup' wire, like the solid Bell phone wire. Leave Posted at 10-03-09 by Admin views(24)
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