Rådgivende Ingeniør Claus Kjærgaard tilbyder Rådgivning og prototypeudvikling i forbindelse med design af elektronikprodukter. Fokus er rettet mod analoge kredsløb i forbindelde med high end audio, samt målesystemer med høj præcision baseret på analog interface og AVR mikroprocessorer.

 DIA E T section:

Completion of correction filter to probe microphone designed for the measurement of sound pressure inside the human ear.

DIA E T section:
Linear multiplier circuits with advanced form of thermal compensation circuit for the measurement of noise.

DIA E EA-section:
Computer-based measuring equipment for measuring resistors on thickfilm substrates.

AC Energy Birkerød:
Precision differential thermometers for measuring the temperatures used in the calculation of the efficiency of heat pumps.

AC Energy Birkerød:
Precision pressure gauges for measuring the sinusoidal variations of the Helium pressure of the refrigerant in a Stirling heat pump.

Laboratory for metallurgy DTU:
A maximum detector for the plotter, an apparatus for plotterstyring by automatically measuring the errosion of metals.

Scan Office Vallensbaek:
Control electronics for height-adjustable table.

Navitronic A/S:
Variable-gain input amplifier for sonar

VN Instruments:
Portable terminal microprocessor for measurement of corrosion, in reinforcing steel.

IPL
Microprocessor-controlled Qoulomb meters, for controlling the film thickness of anodising of metals.

Peerless Factories A / S:
Direct Digital Synthesis tone generator with low distortion for measurement and production test of speaker units.

Kashmatic Aps.
Small signal amplifier with optical input.

JBL inc. USA:
Development of the computer program SRDS CAD to calculate achieved sound pressure
and speech understanding in a given space by using JBL speakers.

B & T Engineering ApS, Lyngby:
Development of reference quality power amplifier with low distortion, and high
bandwidth.

Immidiad ApS:
Optimization of power transfer in rotating transformer.

Risø National Laboratory
Thick film substrate for programmable light source.

Phi Invention Aps
Optical transmitter circuit with low power consumption.

Phi Invention Aps
Analog signal processing circuit for the characterization of lightning fast transient signals.

North Sensor Aps
Analog modulator circuit for LED based sensor.

BITE Aps
PCB layout revision in order to reduce EMI.

Clean Fuse
One wire parasitic power harvester circuit for 230V mains remote current sensing.

HEED Diagnostic

Optical controlled high impedence input multiplexer unit for potentiostat