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Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches

 

Circuits designed by David Johnson, P.E.
Last Updated on: Wednesday, July 16, 2014 06:35 AM

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AC Power Control
AC to AC Converters
AC to AC Power Supply
AC to DC Power Supply

Active Filters:
  Band Pass
  High Pass
  Low Pass
  Notch

Acquisition / Data Logging

 
Amplifiers:
  Buffers
  High Frequency

  High Impedance
  High Speed
  Low Noise  
  RF (Radio Frequency)
  Transimpedance
  Wide Band

Alarm
Annunciator
Astable Oscillator
Audio Accessories
Audio Amplifiers

Audio Oscillator
Automotive

Band Pass Active Filters
Battery Chargers
Battery Monitor
Battery Tester
Beepers & Buzzers
Bistable Multivibrator

Blinkers
Buffer Amplifiers
Burglar

Capacitance Touch Switch
Capacitance Sensors
Charge Pump
Clock

Comparator
Crystal Oscillators
Control

Constant Current


Converters:
  Current to Voltage
  DC to DC
  Frequency-Voltage
  Period to Voltage

  Sine-Square Wave
  Switchmode
  Voltage
  Voltage-Frequency

Counters & Timers
Current to Voltage Converters
Current Loop
Current Monitors
Current Source
Data Logging / Acquisition
DC to DC Power Supplies
Delay
Digital
Driver
Discriminator
Display
Doorbell

FET
Fiber Optic
Flashers & Blinkers

Flip / Flop
Fluid Level Detectors
Fluorescent Light
Freespace Communication
Freezer / Frost Alarm

Frequency Dividers
Frequency-Voltage Converters

Gadgets
Geophones

H-Bridge
High Frequency Amplifiers
High Impedance Amplifier
High Pass Active Filters
High Speed Amplifiers
High Voltage Power Supplies
Hour Meter

Human Motion Monitors

Indicator
Infrared
Inverters


Lamp / Lighting Controls
Laser
Latch

LED (Light Emitting Diode)
Light Beam Communication
Light Dependent Resistors
Light Detectors
Light Flashing

Limiter
Low Noise Amplifiers
Low Pass Active Filters
Microphone
Micro Power
Miscellaneous
Models
Moisture Sensors
Monostable
MOSFET
Motion Detectors
Motor Controls
Multivibrator

Noise Generators
Notch Active Filters



RFID

Radio Frequency:
  Amplifiers
  Detectors
  Oscillators
  Receivers

  Transmitters

Receiver
Rectifier
Relay
Remote Control
Resistance Meters

RF Amplifiers
RF Detectors
RF Oscillators
RF Receivers

RF Transmitters
SCR
Sample & Hold
Safety/Protection
Security

Seismic

Sensors/Detectors: 

  Capacitance
  Current Monitors
  Human Motion
  Light and Optical
  Motion Detectors
  Peak Detectors
  Position Detectors
  Resistance Meters
  Seismic (Geophones)
  Temperature
  Vibration Monitors
  Voltage Detectors

  Water / Moisture
Signal Generators
Silicon Controlled Rectifier
Sine Wave Oscillators
Sine to Square Wave Converter
Solar
Solar Energy Monitors
Solid State Relay
Sound Operated
Square Wave Oscillators
Switch
Switch Mode Power Supplies

Sync Circuits


Telephone
Temperature Alarms
Temperature Sensors/Monitors
Tester
Timers & Counters
Touch Switch
TRIAC

Traffic Counter
Train Models
Transformer
Transimpedance Amplifiers
Transistor
Transmitter
Thermistor

Thermocoupler
Triangle Wave Generators
TV Remote Control
Ultrasonic
Ultrasound
Under Voltage Monitors

VCO
Variable Power Supplies
Vibration Monitors

Voltage Comparators
Voltage Converters
Voltage Controlled Oscillators
Voltage Detectors
Voltage Monitors
Voltage Regulators
Voltage-Frequency Converters
Water Sensors
Watt Hour Meters
Waveform Generator
Wave Shaping
Wide Band Amplifiers
White Noise Generation
Wireless Telephones

Xenon Lamps
Zero Cross Detectors

 

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