Radio telephony with this kind of walky Talky, can be used to communicate or talk with other people with a sufficient distance away. But the condition is a need to create one or more pairs. The higher the antenna that you pasan, the remote power pancarnya.
Components needed:
Components needed:
- RFC reel itself is made without a core ferit have koker O = 0.5 cm large wires
- Transistor (TR) 1 = 2SA104
- Transistor (TR) 2 = SB54
- Transistor (TR) 3 = SB54
- Resistor (R) 1 = 100ohm / 0.5 watt
- Resistor (R) 2 = 4K7ohm / 0.5 watt
- Resistor (R) 3 = 4K7ohm / 0.5 watt
- Resistor (R) 4 = 270Kohm / 0.5 watt
- Resistor (R) 5 = 400ohm / 0.5 watt
- Resistor (R) 6 = 35Kohm / 0.5 watt
- Resistor (R) 7 = 390ohm / 0.5 watt
- Resistor (R) 8 = 120ohm / 0.5 watt
- Resistor (R) 9 = 4K7ohm / 0.5 watt
- Condensator (C) 1 = 30uF/10 Volt
- Condensator (C) 2 = 0.05 UF
- Condensator (C) 3 = 1uF/10 Volt
- Condensator (C) 4 = 0.02 UF
- Condensator (C) 5 = 0.02 UF
- Condensator (C) 6 = 20pF
- Condensator (C) 7 = 0.04 UF
- Spoel antenna with koker diameter0, 8 with stem ferit
- Antenna with a minimum height of 5 meters
- 9 Volt output transformer
- Loudspeaker (LS) = 8ohm
- Batteray / Accu = 6 - 9 Volt
- Mic or condenser microphone that can be used
- Push the switch many-legged
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