جهاز إرسال و إستقبال

Transmitter Parts:
IC1 NE555 timer IC
VR1 10k variable resistor
R1 4.7k resistor
R2 18k potentiometer
R3 1k resistor
R4, R5 220 ohm resistor
C1 680 picofarad capacitor
C2 0.01uf capacitor
D1, D2 1N4148 Diode
T1 SL100 NPN transistor
T2 SK100 PNP transistor
S1 SPST momentary contact switch
XMTR ultrasonic transmitter 40-50khz

Receiver Parts:
RCVR Ultrasonic Receiver 40-50khz
RL1 6volt 200ohm resistor
IC2 CA3140
VR2 250k Variable Resistor
R6 390k Resistor
R7 470k Resistor
R8, R12 15k Resistor
R9 12k
R10, R13 10k
R11 4.7k
R14 100k Resistor
R15 33 ohm Resistor
C3 0.22uf ceramic capacitor
C4 0.1uf ceramic capacitor
C5 560n ceramic capacitor
T3,T4 BC548 NPN Transistor
T5 BC558 PNP Transistor
T6 SL100 NPN Transistor
D3,D4,D5 1N4148 Diode


all resistors are 5 or 10 percent tolerance, 1/4-watt
all capacitors are 10 percent tolerance,
rated 35 volts or higher