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200: Watts Police Siren

Emergency (Police/Fire) Siren and Chime Electronic Circuits
0 Comments - in Sound Effects
This page links to two electronic circuits. Once circuit produces emergency siren noises (police, fire, ambulance), and the other is a chime type sound effect.
Photo: CTE TX500 Plus - Professional 500 Watt FM Transmitter CTE TX500 Plus - Professional 500 Watt FM Transmitter
This professional FM Transmitter offers a whopping 500 Watts output power in the 88 - 108 MHz band. The transmitter itself is digitally controlled and is extremely user friendly.
Photo: BW-TX300 - 300 Watt Stereo FM Transmitter BW-TX300 - 300 Watt Stereo FM Transmitter
The TX300 from Broadcast Warehouse is an extremely high quality stereo FM transmitter that complies with FCC Standards, meaning that it can be used for commerical broadcasting. Output power is 300 Watts.
Photo: BW-TX150 - 150 Watt Stereo FM Transmitter BW-TX150 - 150 Watt Stereo FM Transmitter
The TX150 from Broadcast Warehouse is an extremely high quality stereo FM transmitter that complies with FCC Standards, meaning that it can be used for commerical broadcasting. Output power is 150 Watts.
Photo: BW-TX50 - 50 Watt Stereo FM Transmitter BW-TX50 - 50 Watt Stereo FM Transmitter
The TX50 from Broadcast Warehouse is an extremely high quality stereo FM transmitter that complies with FCC Standards, meaning that it can be used for commerical broadcasting. Output power is 50 Watts.
Photo: BW-TX25 - 25 Watt Stereo FM Transmitter BW-TX25 - 25 Watt Stereo FM Transmitter
The TX25 from Broadcast Warehouse is an extremely high quality stereo FM transmitter that complies with FCC Standards, meaning that it can be used for commerical broadcasting. Output power is 25 Watts.
40 Watts Wideband 88-108 MHz FM Amplifier
5 Comments - in RF Amplifiers
Circuit diagram and construction notes for a very nice 40 Watt FM Amplifier, with wide-band operational characteristics. Includes low pass filter design. Very good notes.