- 10Hz - 100KHz D.D.S. Function Generator
- 2.5 GHz Frequency counter
- -20 dB Couplers for use with a with a spectrum analyzer or other sensitive detector
- -20 dBm, 14.060 MHz Precision Signal Source
- 220V live wire-in-wall scanner
- 250MHz RF Generator with 1kHz display resolution
- 3 in one tester (audio, tone generator, diode/circuit tester)
- 555 go / no-go tester
- 555 Timer IC Tester
- 5Hz to 500KHz frequency meter
- AD9850 DDS daughterboard
- Alarm circuit to remind you to turn off your DMM (digital multimeter)
- Audible Logic Probe based on LM339 operational amplifier
- Audio Millivoltmeter
- Audio Test Oscillator
- Automatic heat limiter for soldering iron
- Battery Tester for 1.5 and 9V
- BCD readout frequency counter
- Beeper to find short circuits
- Beeper to find short circuits (continuity tester)
- Build an inexpensive Hall effect Gaussmeter
- Capacitance meter
- Capacitance meter - precision meter for small capacitors
- Capacitance meter that connects to multimeter
- Connection tester for checking solder joints and other connections
- Conrad Electronics MM3610D multimeter cable pinout
- Contactless Mains Voltage Indicator
- Contactless Mains Voltage Indicator
- Continuity tester
- Continuity tester
- Continuity tester 2
- Continuity Tester based on 4 x 2N3904 and 1 x 2N3905 transistors
- Continuity tester using transistors
- Crystal tester
- Crystal tester that covers a range of 32kHz to 24MHz
- DCC Ammeter using ZXCT1009 current monitor
- DDS from 1-60 MHz with built-in amplifier and variable output level using Analog Devices AD9851
- Design for a slightly more expensive Gaussmeter
- Digital SWR / Power Meter
- Digital voltmeter (DVM)
- Digital Voltmeter using ICL7107
- Digital Wattmeter, measures from nanowatts to kilowatts using AD8307, PIC16F876, LCD Display
- Dip Oscillator for HF
- Distortion Analyser
- Elecraft XG2 receiver test oscillator (PDF)
- Electric field & leakage detector
- Electronic Circuit for Crystal Parameter Measurement
- EMF field probe (electromagnetic field probe) covering up to 100kHz
- ESR Meter
- Exclusive 2.5 GHz Frequency Counter with Blue 2x16 LCD display
- Field Strength Meter (FSM) covers 2Mhz - 1Ghz with peak reception at 3-200Mhz
- Field strength meter for the 137 kHz band
- Fixed Frequency "Tuner Dipper"
- Fluke 8010 / 8012 Interface
- Frequency and capacitance meter
- Frequency Counter / Timer / Logic Tester
- Frequency counter measures to 2.5 GHz and offers LCD display
- Full Featured Transistor Tester
- Function generator based on 555 timer and three 2N2222 transistors
- Function generator based on 8038PCD function generator IC
- Function generator based upon 8038 waveform generator IC
- Grid dip meter
- Ground Fault Indicator
- Heathkit signal generator user manual and circuit diagram
- High Impedance Voltmeter
- High Resistance Voltmeter
- Homebrew signal generator tunable from 3 to 30 Mhz
- Improved DCC Ammeter (2009) using Zetex ZXCT1009 current monitor
- In-circuit electrolytic capacitor checker
- In-circuit electrolytic capacitor tester
- Inductive meter adapter to measure inductance using a frequency counter
- Latching Continuity Tester to help find intermittent faults, has quite a few innovative features
- Latching continuity tester using 4093
- LC meter with LCD display for readout
- LCD Frequency Counter
- LCD frequency counter (PIC16F84)
- Led display digital Voltmeter using ICL7107
- Line Output / Flyback transformer tester
- Linear Resistance Meter
- Linear Resistance Meter
- Linear scale analog watt meter / RF power meter
- Live line detector
- Logic probe
- Logic probe
- Logic probe based on CMOS 4001 chip
- Logic probe with 7-segment display based on 74LS00 and 74LS47
- Logic probe with pulser
- Low Power Antenna Analyzer and ATU Tuning Aid
- Low-Cost Phase Noise Measurement
- Microphone Circuit Test Oscillator
- Mini DDS (direct digital synthesizer) using an Analog Devices AD9832 (12MHz maximum frequency)
- Mini tester: Handles continuity testing, resistor testing, capacitor testing and diode testing
- Miniscope - simple all-valve 1-inch CRT oscilloscope
- MOSFET tester for N-type MOSFET transistors
- MOSFET transistor tester
- Multi wire cable tester that handles up to eight conductors
- Multi-trace scope display that allows up to 4 channels to be viewed on a single oscilloscope channel
- Opamp Design and Test Board
- Optical ballistic chronograph for measuring projectile velocity
- Oscillopscope triggering circuit for recording long transients at fast sweep speeds (PDF)
- Oscilloscope testing module (huntron circuit)
- Oscilloscope testing module (Huntron circuit) that shows Lissajous patterns
- Panel Mounting Radio Frequency Counter
- PCB board tester and RF detector circuir diagrams
- PCB VSWR bridge
- Philips SB-6668 frequency counter upgrade
- PIC based frequency counter
- PIC logic probe with pulser
- PIC16F84 based diode tester
- Picoammeter circuit schematic with 4 ranges using CA3420
- Pink Noise Generator for Audio Testing
- Poor man's frequency counter
- Precision audio millivoltmeter
- Precision Frequency Marker
- Precision VXO for Crystal Characterization & Matching
- Pulse Reading Logic Probe
- Pulse Reading Logic Probe
- Quickie servo tester for testing servo motors (based on Atmel AT90S2343)
- RCM710 electronic scale, technical manual including schematic
- Resistor decade box
- Return Loss Bridge
- RF field strength meter
- RF Power Meter for the QRP measures up to 25 watts
- RF probe circuit diagram and Autotrax PCB layout
- Schematics and C code for a 0-5V PIC LCD volt meter
- Schematics and C code for a PIC frequency counter operating up to about 50 MHz (7 segment)
- Schematics and C code for a PIC frequency counter operating up to about 50 MHz (LCD)
- Self Oscillating Amplifier for Distortion Testing
- Self-powered Fast Battery-Tester - Tests 1.5 to 15 Volt cells
- Sensor to display, built with thermistor, 12-bit ADC, 89S52 and LED display
- Service monitor / deviation meter circuit
- Servo Motor Test Circuit (LM555)
- Signal Tracer and Injector
- Simple diagnostic tool for use on repeaters in the field
- Simple electronic S meter
- Simple Frequency Counter
- Simple Ground Loss bridge for Ground Loss Measurement at LF
- Simple Inductance Meter
- Simple light sensor adapter for oscilloscope
- Simple Ph Meter
- Simple polarity detector
- Simple Polarity Tester
- Simple test equipment to build
- Simplified Measurement of Output Impedance for Audio Circuits
- Single chip digital voltmeter using ICL7129
- Soft Power On Tester for Amplifiers
- Sound pressure level meter
- Spectrum analyzer Mk 1
- Spectrum analyzer Mk 2
- Square wave oscillator (555) for test applications
- Stereo Test Tone Generator
- Stereo Test Tone Generator
- SWR Bridge 1 to 1000 Mhz (1GHz)
- TDR cable reflection tester (Time Domain Reflectometer)
- TDS/PPM Meter for measuring of the amount of salts in a solution
- The u-counter, a PIC based programmable frequency meter (PDF)
- Thermistor Thermometer: LCD version
- Time Domain Reflectometer (TDR)
- TinyScope - simple all-valve 1-inch CRT oscilloscope
- Transistor tester and signal injector
- Transistor tester using 555 timer and 4027
- Triple Stroboscope
- True RMS Watt Meter
- TTL pulse counter/logic probe
- TTL Pulse Reading Logic Probe
- TXTVb - 70cm ATV Test Generator (PDF)
- UHF signal generator
- Ultra-simple Voltage Probe
- Ultra-simple voltage probe
- Universal frequency counter & voltage meter
- UTP Cable Tester
- VCR Tuner Based RF Spectrum Analyzer Schematic
- VHF signal generator
- Wire tracer
- Wireless Frequency counter
- XTal Tester for testing quartz crystals based on a pair of BC550C PNP transistors
- Z80 controlled Viscometer project
- Zener diode tester based on a 555 timer
About Me
- B.Tech Live projects for ECE,EEE,EIE,ICE
- This site will be verymuch useful for students studying electronics,Electrical,Instrumentation engineering. The site showcases many links from around the web with good stuff related to electronics. Electronics hobbyists can find this a good place to start.Many simple circuits that you can build from scratch available on this site.Engineering Students of JNTU,AU,KU,OU,SRM,NU can be benifitted with this resource. Any concerns please email me technokishore@gmail.com
Test Equipment & Circuit schematics
Posted By B.Tech Live projects for ECE,EEE,EIE,ICE
Sunday, April 4, 2010
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Polite Notice
B.tech Live projects is the platform for everyone who are studying Electronics Engineering. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Also note that some of the circuits are illegal to operate in most countries, please check your local regulatory bodies if concerned. Other circuits are dangerous to construct and should not be attempted by the inexperienced.
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