Gert Baars (67)

1-10-2003 | Radio amateurs and RF engineers in general will welcome this design. This contemporary RF signal generator has many bells and whistles and i...

1-07-2003 | It’s not essential to use a printed circuit board when building RF circuitry. There is an alternative method, in which a piece of unetched c...

1-07-2003 | By combining a common 78L05 with an integrated audio amplifier of the type TDA2030, an adjustable voltage regulator can be constructed in a...

1-12-2002 | A RF probe is a handy piece of test equipment that converts a high frequency signal to a DC voltage. In this way it is very easy to measure...

1-09-2002 | This SSB/CW receiver for the popular 20-m amateur radio band boasts a number of interesting features. Designed as a double-conversion superh...

1-07-2002 | Although Elektor never actually launched a design contest under the name “low component-count oscillators” the author was challenged by ‘Thr...

1-05-2002 | Recent feedback from our readers indicated that the VHF Airband Receiver described in our March 2002 issue has received a warm welcome. Howe...

1-03-2002 | This receiver, specially designed for the VHF airband, couples decent performance to simple construction, all at an affordable price. It doe...

1-12-2001 | This is a device, built around a PIC16F84-04, which activates an output when the correct access code has been entered on a keypad. This code...

1-12-2001 | In communications receivers and microphone amplifiers for transmitting equipment, there is frequently a need for a narrow, low-frequency ban...