Transmitter/Receiver

27Mhz toy car transmitter/receiver

• receiver
• transmitter

L1, L4=9 turns, .15mm wire on 4.5mm diameter tunable ferrite coil former, L2=15 turns, .5mm wire, 5mm diameter, L3=3.5 turns, .5mm wire, 5mm diameter

49MHz walkie-talkie

• schematic

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This entry was posted on Thursday, October 11th, 2007 at 3:50 pm and is filed under Frequency. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.