More about timer (144)

1-07-1976 | When taking a photograph, the amount of light incident on the negative is influenced by both the diaphragm and the shutter time. Both...

1-04-1976 | The development of Polaroid films is temperature dependent. For monochrome film the development time varies, whereas for colour film the exp...

1-07-1975 | The SGS integrated circuit TCA 940E is a monolithic audio amplifier in a plastic 12-pin quad-in-line encapsulation. When power requiremen...

1-07-1975 | It is the simplicity of this exclusive OR- gate that makes its application instead of TTL-circuits so attractive. It func- tions as follow...