Circuit Schematic Ultrasound Detector IC1 LMC567 Phase-Locked Loop

Ultrasonic. - Here is Circuit Schematic Ultrasound Detector IC1 LMC567 Phase-Locked Loop. The LMC567 is a low power general purpose LMCMOS[tm] tone decoder which is functionally similar to the industry standard LM567. It consists of a twice frequency voltage-controlled oscillator (VCO) and quadrature dividers which establish the reference signals for phase and amplitude detectors. The phase detector and VCO form a phase-locked loop (PLL) which locks to an input signal frequency which is within the control range of the VCO.

Figure 1. Schematic Ultrasound Detector IC1 LMC567 Phase-Locked Loop
(Source: www.njsas.org)

Component List

SEMICONDUCTORS

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IC1        567 phase-locked loop, integrated circuit

U1         LM386 audio power amplifier, ic

Q1, Q2     2N391M NPN transistor

Q3         MPF102 JFET transistor

    

RESISTORS

(All fixed resistors are 1/4 watt, 5% units.)

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R1, R2        220,000 ohm

R3-R6         2,200 ohm

R7            1,000 ohm

RS, R14       270 ohm

R9            100,000 ohm

R10           4,700 ohm

R11           10,000 ohm

R12           50,000 ohm, potentiometer

R13           10,000 ohm, potentiometer

CAPACITORS 

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C1, C2, C5        0.01 microF, Mylar

C3                0.047 microF, Mylar

C4                0.0022 microF. Mylar

C6, C7, C11, C12  0.1 microF, ceramic-disc

C8                10 microF, 16 WVDC, electrolytic

C9                47 microF, 16 WVDC, electrolytic

C10               470 microF 16 WVDC, electrolytic

ADDITIONAL PARTS AND MATERIALS 

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SG1               Piezo tweeter (Ultrasound receiver)

    

Power source, headphones or speaker, wire, solder.

The original Article : "Ultrasound Detector"

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