| Before setting off for (hopefully) sunnier climes, many prospective holidaymakers use a UV lamp to acquire an initial tan. Unfortunately, th...
| Before setting off for (hopefully) sunnier climes, many prospective holidaymakers use a UV lamp to acquire an initial tan. Unfortunately, th...
| Although not a precision instrument, this transistor tester should none-theless prove a useful aid for checking the quality of `job lots`...
| Although not a precision instrument, this transistor tester should none-theless prove a useful aid for checking the quality of `job lots`...
| Like the previous circuit, this transis-tor tester will indicate whether the current gain of the transistor under test is that of a class `...
| It is a well-known fact that the signal-to-noise ratio of a VHF FM receiver is better on mono than on stereo. This principle is in fact use...
| To many people the radio news bull-etins are of primary interest. This design idea describes a method of switching on a radio by the `pips`...
| To many people the radio news bull-etins are of primary interest. This design idea describes a method of switching on a radio by the `pips`...
| Digital voltmeters are now in wide-spread use and growing ever more popular. Many of the cheaper types of DVM however suffer from a slight...
| Digital voltmeters are now in wide-spread use and growing ever more popular. Many of the cheaper types of DVM however suffer from a slight...
| And now for something completely different .... Whether or not one will find the following circuit useful, the originality of the concept c...