FM Transmitter

Here are a compact design , simple but good performance line three tube audio amplifier. The circuit , see photos. Maybe you can see some similar to this circuit in some pocket transistor radio .

Posted at 14-02-20 by Sky views(21580)

Making their own FM transmitter 1 ) High-frequency transistor V1 and capacitor C3, C5, C6 to form a three-point oscillator capacitor 2) C4, L form a resonator : a resonance freq

Posted at 14-02-18 by Sky views(3021)

Simple little amp Here are a compact design , simple but good performance line three tube audio amplifier. The circuit , see photos. Maybe you can see some similar to this circuit in so

Posted at 14-02-18 by Sky views(1872)

Beginning of the last century, the American scientific community has emerged in the heat invention , following Thomas Edison invented the light bulb and the phonograph , Forrest invented the transistor, after Bell invented the telephone , Armstrong j

Posted at 14-02-18 by Sky views(5366)

1 watt pll fm broadcast transmitter.jpg

Posted at 14-02-19 by Sky views(2626)

1 watt pll fm broadcast transmitter.jpg

Posted at 14-02-19 by Sky views(2638)

：1 watt four stage fm transmitter.gif This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a driver built around transistor 2N2219 (T3)

Posted at 14-02-19 by Sky views(5746)

TDA2005 is a very practical stereo audio amplifier chip 20W The main parameters : Operating voltage : DC6 ~ 12V (12V best , low voltage will affect the output power and sound quality ) Power : Output 10W X 2 Impedance : 4 output above 功放tda2005典型应用电

Posted at 14-02-19 by Sky views(7873)

TDA2005 is a very practical stereo audio amplifier chip 20W The main parameters : Operating voltage : DC6 ~ 12V (12V best , low voltage will affect the output power and sound quality ) Power : Output 10W X 2 Impedance : 4 output above 功放tda2005典型应用电

Posted at 14-02-19 by Sky views(3258)

Rural radio www.fmuser.org , Construction of rural radio necessity The rural radio every village sound engineering foundation works to promote the construction of socialist spiritual civilization in rural areas, popular project is welcomed by the bro

Posted at 13-05-16 by Sky views(1481)