Gert Baars (67)

| Since publishing the first instalment of this article, considerable interest has been expressed in the design by many of our readers...

| This twopart article describes an AM/FM/SSB receiver for the frequency range 0.15 – 32 MHz, which is generally (but incorrectly) re...

| Here’s a function generator that won’t break the bank yet offers perfectly acceptable output waveforms for many applications in your wor...

| This antenna tuning unit (ATU) enables half-wavelength (1⁄2 λ) or longer wire antennas to be matched to the 50-Ω antenna input of 27-MHz...

| The operation of the converter is based on the weighted adding and transferring of the analogue input levels and the digital output leve...

| Directional microphones such as used by, say, outdoor-recording specialists and bird-watchers, are invariably provided with a conspic...

| This design answers the widespread interest in applications involving smartcards. Chip-type telephone cards and credit cards catch the fan...