Small RC4 Transmitter
Materials
Gerber file
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Component list
R1 = 100?
R2,R3 = 1?5
R4 = 1k?
R5 = 6k?8
Capacitor:
C1 = 100µF 16V radial (low profile)
Semiconductors:
D1 = LED, red, 3 mm
D2 = LD274
T1 = BC517
IC1 = SAA3010 (see text)
Miscellaneous:
BT1 = two 1.5V batteries with holder
S1-S10 = pushbutton, PCB mount (e.g. ITT/Shadow D6)
X1 = 429kHz 2-pin ceramic resonator
JP1 = 3-way pinheader with jumper, or wire link
JP2 = wire link
S11 = 8-way SIP switch
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