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RADIO KIT 1.0 DESIGN LISTING: AM Crystal Radio L = 200 uH Inductor C = 500 pF Variable Capacitor Germain Dydoe On Backwords
[Antenna]
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+--+--+---[Ge. Dyode]----+
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[L] [C] [Crystal Ear Phone]
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+--+--+------------------+
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[Ground]
Shortwave AM Crystal Radio: L1 = Variable Inductor L2 = Variable Inductor C1 = Variable Capacitor C2 = Capacitor C3 = Variable Capacitor C4 = Variable Capacitor
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[L2]
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+-------+-------+-----[Ge. Dyode]----+
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| | [C3] |
| | | [Crystal Ear Phone]
[L1] [C1] [C2] |
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+-------+-------+--------------------+
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[Ground]
Shortave Crystal Radio Shortave AM Transmitter: LM386 A = Audio amplifier LM386 B = Pulesenator CRYSTAL = Locked 14.5 MHz Crystal N CHANNEL JFET = RF Amplifier L1 = Inductor C1 = Capacitor T1 = PNP Transistor R1 = Resistor R2 = Resistor R3 = Resistor
+-[9 VOLTS]-+
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| [R3]
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| +-----+ +------[9 VOLTS]----+
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[AUDIO INPUT]+-+[LM386 A]+-[T1]--[CRYSTAL]--+[N CHANNEL JFET] |
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| +-----+---[R1]------+
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+-+[LM386 B]+-+ +--+--+-----+---------------+[RF OUTPUT]
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| [R2] [L1] [C1] |
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+-[9 VOLTS]---+ +--+--+-----+
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[Ground]
RLC circuit used as an AM radio V = 1.5 Volts R = 10K ohm L = 300 uH C1 = 30-230 pF C2 = 0.1 uF
[Ground] [Ground]
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[V] [Ground] [C2]
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| | +--[C1]--+ |
[Speaker]-+-[U5]-+--| +---+
| +--[L]---+ |
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+------------[R]-------+
Snap Circuits - easy way to build this radio kitRLC Radio |
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