| The simplest V_HF receiver is the su perregenera tlve. Unfortunately, it is also one of the most difficult to get working properly ......
| The simplest V_HF receiver is the su perregenera tlve. Unfortunately, it is also one of the most difficult to get working properly ......
| One of the major disadvantages of simple video modulators is that the stability of the oscillator is usually insufficient. This leads...
| It is very easy to make a good SSB adapter using the SO 42-P IC. Its output enables a symmetrical oscillator to be built with great eas...
| It is very easy to make a good SSB adapter using the SO 42-P IC. Its output enables a symmetrical oscillator to be built with great eas...
| There are two basic types of SSB exciter: l. Filter-type circuits: these are ex- pensive because of the filter and crystal required...
| There are quite a few interestjng transmitters in the frequency band from 1.8 to S.4 MHz: ships, aircraft, amateu rs_ and ~roadc...
| Unlike the more usual type of function generator, in which the sinusoidal output is derived by shaping a triangular waveform, the basis...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...