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顔に浴びせてください001

This transmitter circuit uses PLL method to generate stable frequency and the output power is selectable from 1 to 4 watts via an on-board jumper switch. It's designed using wide-band power amplifier technology, this eliminates the need to tune up the transmitter to "peak the power".

Read more: http://rf-circuit-schematic.blogspot.com/2011/07/#ixzz5EYoOS6hz

http://rf-circuit-schematic.blogspot.jp/2011/07/