Here are  the articles and the designs I made for the Swedish magazine "Radio & Television" during the years 1972-1985.

November
1972

Crispening circuit for Philips VCR
 


December
1972
Digital clock with National Semiconductor's MM5311 and six Philips ZM1320


January
1973
Digital darkroom timer


February
1973

Alarm circuit for the digital clock
 
 

March
1973
Digital stopwatch with ZM1320


April
1973
Tone burst generator


May
1973

Low noise RIAA-preamp with National LM381A
 
 

June
1973
Universal frequency counter for 200 MHz or 500 MHz (with prescaler)

July
1973
Digital dice

Spetember
1973
Stereo signal generator

October
1973
Color video generator - the first service generator with complete CCIR sync!

November
1973
Digital combination lock

December
1973
Function generator built around Intersil 8038CC

March
1974
Versatile low voltage power supply using a bunch of LM7800 and LM7900 stabilizers.

April
1974
FM-tuner with Mullard's modules LP1185 and LP1186

May
1974

Headphones amplifier with National LM377N
 
 

September
1974
New darkroom timer with display

October
1974
A ten-bands Equalizer

April
1975
Four channel receiver with decoders for SQ and CD4
Includes the ICs TCA730, TCA740, MC1312, MC1314, MC1315, QSI-5022, LM377, LM381, TCA290. Modules LP1185, LP1186, LP1400.

November
1976
Peak-level audio indicator with Siemens TAA4761A and UAA180.

December
1976
For the car - Tachometer with LEDs using LM2907N and UAA180.

January
1977
Optocoupler for video input to the TV-set

April
1977
Noise generator with NS LM5837N for audio measurements.

April
1977
Active filter for audio

May
1977

Noise suppressor for car radio (built with Philips TDA1001)
 
 

May
1977

Frequency indicator for VHF-receivers
 
 

September
1977
A new designed stereo test generator

January
1978
TV-game with National Semiconductor's MM53114

March
1978
Yet another darkroom timer

April
1978

Here we start to make a personal computer using Motorola's D2-kit as CPU-board
 
 

June
1978

How to modify the D2-kit, this became a series of articles all the way to 1982...
 
 

January
1979

EPROM-programmer for the computer
 
 

August
1979
A video terminal built around Philips SAA5020 and SAA5052