This wireless FM transmitter is designed to use an input from another sound source and transmits on the commercial FM band. This low power fm radio transmitter it is actually quite powerful. The first stage is the oscillator , and is tuned with the...
Topics: wireless fm transmitter, wireless transmitter

{"title":"Wireless FM Transmitter","post_url":"http:\/\/transmitterpalace.blogspot.com\/2009\/04\/wireless-fm-transmitter.html","feed_url":"http:\/\/transmitterpalace.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-04-19 22:19:00","summary":"This wireless FM transmitter is designed to use an input from another sound source and transmits on the commercial FM band. This low power fm radio transmitter it is actually quite powerful. The first stage is the oscillator , and is tuned with the..."}

This power supply circuit will give 10 amps (12 amps surge) with performance that equals or exceeds any commercial unit. The circuit even has a current limiting feature which is a more reliable system than most commercial units have. Just like other...
Topics: Over Voltage Protection Power Supply

{"title":"Power Supply with Over Voltage Protection 10A 13.8V","post_url":"http:\/\/transmitterpalace.blogspot.com\/2009\/01\/over-voltage-protection-power-supply.html","feed_url":"http:\/\/transmitterpalace.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-01-07 03:36:00","summary":"This power supply circuit will give 10 amps (12 amps surge) with performance that equals or exceeds any commercial unit. The circuit even has a current limiting feature which is a more reliable system than most commercial units have. Just like other..."}

This is the Japanese Yagi antenna that said Yagi antenna. It is a simple system of high-gain directional antenna, Yagi antenna classical structure, the following chart. Figure in a straight line oscillator Φ10mm with aluminum tubes, or oscillator used.
Topics: Antenna, UHF

{"title":"900 MHz Directional Antenna","post_url":"http:\/\/transmitterpalace.blogspot.com\/2008\/11\/900-mhz-directional-antenna.html","feed_url":"http:\/\/transmitterpalace.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2008-11-12 11:01:00","summary":"This is the Japanese Yagi antenna that said Yagi antenna. It is a simple system of high-gain directional antenna, Yagi antenna classical structure, the following chart. Figure in a straight line oscillator \u03a610mm with aluminum tubes, or oscillator used."}

Here is a simple SWR protection circuit you can easily build. The directional coupler and detector components are from an old VHF SWR meter.You may want to replace the meter's existing RF bypass Capacitors with higher quality (mica) ones. You may...
Topics: SWR Protection

{"title":"Simple VHF SWR Protection Circuit","post_url":"http:\/\/transmitterpalace.blogspot.com\/2008\/11\/simple-vhf-swr-protection-circuit.html","feed_url":"http:\/\/transmitterpalace.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2008-11-10 22:35:00","summary":"Here is a simple SWR protection circuit you can easily build. The directional coupler and detector components are from an old VHF SWR meter.You may want to replace the meter's existing RF bypass Capacitors with higher quality (mica) ones. You may..."}

Here's the way to match 75 Ohm to 300 Ohm impedance. In case of making balun for 200-300 Ohm folded dipole antenna to 75 Ohm transmission cable. Please see table on image above to determine velocity factor for different cable type.
Topics: Antenna, Balun

{"title":"Making 1 to 4 Balun for Matching Impedance","post_url":"http:\/\/transmitterpalace.blogspot.com\/2008\/09\/making-1-to-4-balun-for-matching.html","feed_url":"http:\/\/transmitterpalace.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2008-09-24 02:16:00","summary":"Here's the way to match 75 Ohm to 300 Ohm impedance. In case of making balun for 200-300 Ohm folded dipole antenna to 75 Ohm transmission cable. Please see table on image above to determine velocity factor for different cable type."}