Project Examples

Analog and RF Projects:

• Precision measuring receiver (Selective Level Meter)
• Long range ISM band transceiver design.
• Low cost RF module design and integration.
• Ultra High Speed OPAMP's applied to RF and IF signal processing circuits.
• Complete 3.0 GHz Fractional N, PLL Synthesizer / source.
• Compact 2.5 GHz Fractional N, PLL Synthesizer.
• Synthesized, Handheld, 2 meter VHF receiver with computer control.
• Low cost VHF Synthesizer.
• DDS Controlled ultra high resolution PLL synthesizer / VTXO.
• Precision 20 MHz reference 'clean up' PLL (Xtal oscillator locked to an external reference).
• Synthesized ACARS, Aircraft band receiver.
• WWVB Time Code Receiver.
• GPS distribution / active splitter amplifier.
• 12 to 1 RF, 2.5 GHz switch matrix (Solid State).
• Dual 6 to 1, 3.0 GHz RF switch matrix (Solid State).
• Low frequency - 12 to 40 MHz, self contained synthesizer.
• Electronics enclosure heater.
• RF and Microwave structure design and simulation.
• 10 MHz, Lumped Element, Anti-Aliasing Filter Design for High Speed 40 MHz A/D system.

Test and Measurement Projects:

• LAN-DAS A LAN Based Data Acquisition System
• PIC-DAS, a PIC based Data Acquisition System.
• DewPointer, a handheld dew point measuring system / data logger.
• 2-250 MHz Synthesized, 1 Hz Resolution, PC controlled source.
• Very low cost, 2-250 MHz scalar network analyzer with PC control (Synthetic instrument).
• 10 Hz to 16 MHz, DDS based low frequency scalar network analyzer with PC control.
• Thermocouple amplifiers / cold junction compensation circuits.
• Quad, 24 to 1, DC to 110 MHz Biomedical instrument switch matrix (Reed Relay).
• Phase / Impedance matched Pogo Pin to DUT fixture board - for high speed production ATE tester.
• Impedance measurement accessory for a vector network analyzer.
• Many other PC Controlled Data Acquisition devices.
• Random and Psuedo Random Noise Generation.

Power Conversion Projects: 

• 50 Watt per square inch High Power Density DC/DC Converter
• EEE802.3af Compliant Power Over Ethernet (Power Over LAN or PoL) Designs.
• Triple output Telecom DC/DC converter power supply.
• Five output, Automotive (Vehicular) power system, with dual Li-Ion battery chargers.
• OEM, 2 Watt, DIP DC/DC converter.
• OEM, 20 watt SIP DC/DC converter.
• Isolated - 20 Watt, OEM DC/DC converter (with Telecom input voltage range).
• Isolated - 12 Watt, OEM DC/DC converter (with Telecom input voltage range).
• Isolated T1 current loop to voltage power supplies.
• NiMh and Li-Ion fast battery chargers and controllers.
• 12 Amp, High Performance Microprocessor VID power supply (0.8 to 7 volt core voltage).
• CCFL backlight circuits and inverters.
• DC/DC converter magnetics and transformer design, including coupled inductors.
• Over 1 million power supplies have been shipped worldwide!

System Projects:

• Desktop temperature chamber.
• Commercial broadcasting station 'open' microphone time logging system.
• MP-3 Stereo Transmitter with USB control from a PC.
• Long Range ISM band Transceiver Design.

Turn-Key Test Projects:

• Triple output power supply system.
• Multiple output power supply test system.
• Quad output, PC controlled Universal DC/DC converter test system.

Software Projects:

• Computer controlled instrument programs.
  • See: Test and Measurement Above and Phase Noise below.
• ActiveX controls designed for instrument control applications.
  • See: Test and Measurement Above.
• VSWR Mismatch Calculator.
• CAD Data Translation Program.
• Phase noise test system software.
• Network analyzer control programs.
  • See: Test and Measurement Above.
• PC based test system software and test executives.
  • See: Turn-key Test above.

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