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 لینک مداراتی مربوط به سنجش واحد ها
  • Audible continuity tester
  • Wire tracer
  • Signal generator for signal tracer
  • Electronic level
  • Digital volt meter
  • Adjustable continuity tested
  • Frequency counter
  • Tri-Waveform Generator
  • 220V live wire-in-wall scanner
  • 50 MHz frequency counter, voltage meter & SWR/PWR indicator
  • Owens Bridge Inductance Measurement Device
  • ESR Meter
  • Line Output / Flyback transformer tester
  • PC-Based Digital Storage Oscilloscope (DSOA)
  • PC Based Digital Storage Oscilloscope Mk3
  • Simple 6-Digit 40MHz Frequency Counter Module
  • Automatic stud detector
  • Capacitance meter
  • Capacitance meter
  • AC Line Current Detector
  • Triangle and Squarewave Generator
  • Signal tracer / injector
  • Voltage probe
  • Live line detector
  • Grid dip meter
  • PCB VSWR bridge
  • Electric field & leakage detector
  • Simple polarity detector
  • RCM710 Electronic Scale
  • 3 - 12 MHz Signal Generator
  • Some simple test equipment to build
  • RF Power Meter for the QRPer
  • Dip Oscillator for HF
  • Two Tone Audio Oscillator (use for SSB tests)
  • Simple pH meter
  • Temperature compensated pH meter
  • pH meter with calibration
  • Four Channel Oscilloscope Adapter
  • Arbitrary Waveform Generator
  • Digital Pressure Gauge
  • Remote Field Strength Meter
  • Digital frequency counter
  • Function generator
  • High / Low indicator
  • AC/DC LED Indicator
  • Micro ohm meter
  • Micro volt probe
  • MOSFET tester
  • Power factor meter
  • Ramp generator
  • LASER/LED light output intensity meter (PDF)
  • Frequency and capacitance meter
  • Resistor decade box
  • 1.2GHz frequency counter
  • Simple light sensor adapter for oscilloscope
  • Time Domain Reflectometer (TDR)
  • UTP cable tested
  • pH Meter
  • Multi Wire Cable Tester
  • Connection tester
  • EMF field probe
  • Function generator
  • Logic probe
  • Zener diode tester
  • Mini DDS (direct digital synthesizer)
  • LCD frequency counter (PIC16F84)
  • Light meter
  • Tonal voltmeter gives audible indication of voltage level
  • AC Millivoltmeter
  • DC millivolt meter
  • Fluxmeter to DVM input
  • XR2206 function generator
  • Low-cost dot/bar generator
  • Milli-ohm adapter
  • Deflection amplifier for oscilloscopes
  • Polarity sensing continuity tester
  • Sensitive RF voltmeter
  • Signal injector
  • Pulse Reading Logic Probe
  • Pink Noise Generator for Audio Testing
  • Audio Millivoltmeter
  • Audio Test Oscillator
  • Full Featured Transistor Tester
  • Opamp Design and Test Board
  • Microphone Circuit Test Oscillator
  • Distortion Analyser
  • Self Oscillating Amplifier for Distortion Testing
  • 120MHz frequency counter
  • Build a Magnetic Field Immunity Tester
  • 555 Timer IC Tester
  • 555 go / no-go tester
  • 12V Lead-Acid Battery Monitor
  • Continuity tester 2
  • Continuity tester
  • Logic probe
  • 4-channel DSO for oscilloscope
  • Beeper to find short circuits
  • In-circuit electrolytic tester
  • PIC logic probe with pulser
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:31 ق.ظ
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    این هم لینک مدارات تایمر و نوسان ساز 
  • Budget timer
  • Long period timer
  • 555 time delay circuit
  • Low frequency clock
  • 1 Second Time Base From Crystal Oscillator
  • Countdown timer with relay
  • DDS using AD9835
  • 1 Second Time Base From Crystal Osc.
  • Power-On Time Delay Relay Circuit
  • Low Voltage , High Current Time Delay Circuit
  • Power-Off Time Delay Relay Circuit
  • Generating a Delayed Pulse With a dual 555 Timer
  • 1KHz Sinewave generator
  • Timed beeper
  • Time Delay Relay
  • Time Delay Relay
  • Wide-swing Variable Crystal Oscillator
  • Circuit that momentarily closes a pair of contacts at long intervals
  • 4-Bit binary clock
  • Onboard Fogger Timer
  • Colpitts 1 to 20 MHz Crystal Oscillator
  • Divide By 1-1/2 Circuit
  • Simple sinewave generator
  • Two Transistor Sine Wave Oscillator
  • 10 Hz to 10 Khz VCO with Square and Triangle wave
  • Line powered 60Hz clock generator (PDF)
  • Micro-power pulse generator (PDF)
  • Darkroom camera shutter timer
  • Divide by 1.5 counter (PFD)
  • High-output square wave generator (PDF)
  • D Flip-flot one-shot circuits (PDF)
  • Clock divider
  • Clock doubler
  • CMOS oscillator
  • Crystal 32.768KHz CMOS Oscillator
  • Crystal oscillator
  • Cheap 40KHz clock
  • Stable 40KHz clock
  • 'Rounding Off' a square wave
  • Switch debounce using 555
  • Square wave to sine wave converter
  • Day / Night / 24 Hour Select Sensor
  • One transistor timer
  • Variable timer
  • Micropower pulse generator (PDF)
  • Square wave oscillator
  • Triangle wave oscillator
  • Sawtooth wave oscillator
  • Sine/Cosine wave oscillator
  • 555 timer
  • 555 oscillator
  • Stable multivibrator (IC)
  • Stable multivibrator (Transistor)
  • Push Button Switch Debouncer
  • Square wave oscillator
  • 5 to 30 Minute Timer
  • NE555 Basic Monostable
  • Mini DDS (Direct Digital Synthesis)
  • Astable Multivibrator
  • AD9852 DDS schematic
  • A GPS receiver based frequency standard
  • Adjustable phase quadrature generator
  • Counter speed doubler
  • Fast rise-time multivibrator
  • Sample-hold controlled oscillator
  • Sine wave oscillator
  • LM3900 sine wave oscillator
  • CMOS 4011 oscillator
  • Simple frequency doubler
  • Sinewave frequency doubler
  • 555 timer circuits
  • Linear voltage to frequency converter
  • Voltage controlled triangle / square generator
  • Monostable multivibrator
  • Clock generator
  • 555 Timer Tutorial + Circuits
  • Frequency comparator - 74HCT74
  • Clock frequency doubler
  • Versatile electronic timer
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:28 ق.ظ
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    این هم یک گروه لینک مدارات فرستنده
  • Li'l 7 AM Transmitter Schematic
  • Wireless microphone
  • XTAL locked tone transmitter
  • AM oscillator for wireless microphones
  • Wireless microphone
  • 1W CW Transmitter
  • 433MHz transmitter using SAW resonator
  • Portable 40W CW transmitter
  • A 3m (100 MHz) small bug
  • Basic FM Transmitter
  • Micro Power AM Broadcast Transmitter
  • FM Beacon Transmitter (88-108 MHz)
  • 1 valve CW transmitter
  • 250mW HF CW transmitter
  • 2 valve CW transmitter
  • Transmitter using LM317
  • 5 Watt HF CW transmitter
  • Simple FM microphone
  • FM bug
  • High power FM bug
  • 27MHz AM/CW transmitter
  • Easy 2-meter transmitter
  • QRP HF transmitter
  • Spark gap transmitter
  • QRP SSB transmitter
  • Crystal controlled FM transmitter
  • 150mW FM transmitter
  • FM transmitter
  • Two Valve 40m CW Transmitter
  • Frequency agile 80m CW QRP transmitter
  • 80 metre DSB transmitter
  • One Valve CW transmitter
  • 3W FM transmitter
  • FM transmitter (room bug)
  • Microphone Transmitter (bug), 100 MHz
  • Small FM transmitter
  • Simple Low FER Transmitter
  • 7Mhz AM/CW Amateur Radio Transmitter
  • VHF FM transmitter
  • Simple FM transmitter
  • Wireless microphone
  • Shortwave radio transmitter
  • 175KHz inductive pulse transmitter (PDF)
  • 7MHz QRP transmitter
  • Small Radio Transmitter
  • FM Telephone Transmitter
  • FM transmitter
  • 4 transistor transmitter
  • FM transmitter
  • Op-amp based FM transmitter
  • Tracking transmitter
  • 5W PLL Transmitter
  • Miniature FM transmitter
  • Sensitive FM transmitter
  • Simple RF transmitter
  • 1.5 volt tracking transmitter
  • Tracking transmitter
  • Micro Power FM Broadcasting Circuits
  • Low Power FM Transmitter
  • RF/SS Handie Hopper Transmitter Schematic
  • 30-Meter QRP Transmitter for Morse Code
  • Miniature FM Transmitter #1
  • Miniature FM Transmitter #2
  • Miniature FM Transmitter #3
  • Light sensing RF transmitter
  • Micro-Spy with FETs
  • Micro-Spy with USW
  • Micro-Spy with TTL
  • AM radio tone transmitter - 4049
  • Op amp based AM radio transmitter
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:17 ق.ظ
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