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434MHz short-range communications

Published:2013/7/11 22:34:00 Author:muriel | Keyword: 434MHz , short-range communications

434MHz short-range communications
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X10 RF daughter board - receiver

Published:2013/7/11 22:33:00 Author:muriel | Keyword: X10, RF , daughter board , receiver

X10 RF daughter board - receiver
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Automicro TM02 high power transmitter module schematic

Published:2013/7/11 22:32:00 Author:muriel | Keyword: Automicro, TM02, high power , transmitter module schematic

Automicro TM02 high power transmitter module schematic
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Automicro RX3304receiver module photo

Published:2013/7/11 22:31:00 Author:muriel | Keyword: Automicro, RX3304, receiver module photo

Automicro RX3304receiver module photo
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Automicro RX3302 superregenerative receiver module schematic

Published:2013/7/11 22:30:00 Author:muriel | Keyword: Automicro, RX3302 , superregenerative , receiver module schematic

Automicro RX3302 superregenerative receiver module schematic
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49MHz walkie-talkie schematic

Published:2013/7/11 22:30:00 Author:muriel | Keyword: 49MHz , walkie-talkie schematic

49MHz walkie-talkie schematic
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VHF transmitter

Published:2013/7/11 22:29:00 Author:muriel | Keyword: VHF transmitter

VHF transmitter
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98-108MHz FM audio transmitter

Published:2013/7/11 22:29:00 Author:muriel | Keyword: 98-108MHz, FM , audio transmitter

98-108MHz FM audio transmitter
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wireless microphone transmitter

Published:2013/7/11 22:28:00 Author:muriel | Keyword: wireless microphone transmitter

wireless microphone transmitter
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500MHz video signal transmitter

Published:2013/7/11 22:27:00 Author:muriel | Keyword: 500MHz, video signal transmitter

500MHz video signal transmitter
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toy car transmitters

Published:2013/7/11 22:27:00 Author:muriel | Keyword: toy car transmitters

toy car transmitters
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toy car receivers

Published:2013/7/11 22:26:00 Author:muriel | Keyword: toy car receivers

toy car receivers
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superregenerative receivers

Published:2013/7/11 22:26:00 Author:muriel | Keyword: superregenerative receivers

superregenerative receivers
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Superregenerative radio receivers

Published:2013/7/11 22:25:00 Author:muriel | Keyword: Superregenerative radio receivers

Superregenerative radio receivers
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20MHz VCSEL 3mW LASER TEST CIRCUIT

Published:2013/7/11 22:24:00 Author:muriel | Keyword: 20MHz , VCSEL , 3mW , LASER TEST CIRCUIT

20MHz VCSEL 3mW LASER TEST CIRCUIT
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TEN WATT LINEAR AMPLIFIER

Published:2013/7/11 22:23:00 Author:muriel | Keyword: TEN WATT, LINEAR AMPLIFIER

TEN WATT LINEAR AMPLIFIER
It is quite easy to get a watt or more with very simple equipment, but to get more than 5 watts becomes a little more difficult. This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. If you have difficulty in finding 2SC2078 then lift the lid of your CB set to find a suitable alternative. The bias generator transistor, TR4, is marked TIP31 in the circuit diagram, but here you can use just about anything that will fit. You could even use another 2SC2078, if you had money to burn, but more practical components would be TIP41, TIP3055, MJE3055. All that matters is that it will pass up to 1 Ampere and have the correct base details in a TO220 case. (View)