More about simple (309)

1-07-1978 | This video mixer may be used to combine digital video signals (at TTL levels) with line and field sync pulses to provide a composite vid...

1-01-1978 | A function generator is a versatile and extremely useful device, which provides the constructor with a simple and efficient means of test...

1-07-1977 | This circuit will deliver a number of pulses which is directly proportional to a negative input voltage. The conversion takes...

1-04-1977 | Automatic slide changers are extremely useful when a recorded commentary is used to accompany a programme of slides. Most auto slide cha...

1-07-1976 | The performance of the normal current source using a common- emitter connected transistor can be improved by the addition of just one m...

1-07-1976 | A pulse generator is an ex- tremely useful Looi for investi- gating the dynamic behaviour of logic circuits. The circuit described here...

1-07-1976 | This headphone arl;1plifi~r is intended for use with high impedance headphones (greater than 300 n) such as the Sennheiser HD414 and...

1-02-1976 | The need occasionally arises for an FM test generator for the repair or alignment of VHF FM tuners or re- ceivers. Howev...

1-01-1976 | The alignment of superhet receivers presents problems that may deter some enthusiasts from undertaking their construction. A simple MW supe...