More about time (745)

1-07-1977 | Using two CMOS counters it is a simple matter to construct a versatile time switch. The total cycle time of the switch can be...

1-07-1977 | Mains frequency is often used as a reference for digital clocks and other digital circuits. Unfortunately problems can arise...

1-07-1977 | Anyone possessing a frequency counter with a facility for period measurement can build this simple add-on unit to measure capac...

1-07-1977 | Wherever there is a mass market for a complex digital circuit, an LSI chip is sure to appear. It should not come as a...

1-06-1977 | The accuracy of a frequency counter is determined exclusively by the accuracy of the timebase being used. Thus if extremely precise measu...

1-11-1976 | Relatively few components are used in this eggtimer. The `boiling time` is automatically determined according to the size of the egg an...

1-11-1976 | The well-known TTL IC type 74 I 21 is a monostable multivibrator that can be set to give an output pulse with a duration...

1-10-1976 | The current trend in the TV industry seems to be the proliferation of `gadgets` for use with the TV set, and the use of the TV screen to d...

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...

1-07-1976 | The pecularity of this rev . counter is that it responds to differences in luminous intensity. Consequently, if this circuit is to be...