More about radio (325)

1-02-1992 | The performance of the average portable radio (not including the tiny plastic one and the huge ghetto blaster) is usually quite adequate f...

1-01-1992 | The Signetics (philips Components) NE602/SA602 is a monolithic integrated circuit containing a double balanced mixer (DBM), an oscillato...

1-01-1992 | Amateur radio is expensive, or should I say it is if you buy all of your equipment. This cost deters many from a hobby that once investiga...

1-12-1991 | This simple to build antenna booster offers a gain of some 20 dB over a frequency range that covers the VHF FM radio band and the whole of...

1-07-1991 | Most of us are familiar with the teletext services offered by the BBC and the IBA in the UK and television stations in most other countri...

1-02-1991 | Since our first publication on RDS almost two years ago, the system has met with rapid acceptance by European radio broadcasters. At the t...

1-01-1991 | Waste not, want not! Radio amateurs are a breed of electronics enthusiasts who like to see every milliwatt of their precious RF power arri...

1-12-1990 | Most small portable radios require a 3 V supply normally provided by two size AA or AAA batteries. Since rechargeable batteries are an op...

1-11-1990 | This article describes a miniature medium-wave band receiver powered by a solar cell. The circuit is based on a single integrated circuit,...

1-06-1990 | The authors, two dyed-in-the-wool radio amateurs, describe how the facsimile decoder we published early last year for Atari and Archimedes...