H. Bonekamp (119)

1-07-1997 | The circuit described, in conjunction with a digital voltmeter (DVM), may be used to measure the total harmonie distortion (THD) of the m...

1-07-1997 | The Type HA7210 IC from Harris Semiconductor is an integrated low power crystal oscillator that can be programmed extremely to generate...

1-07-1997 | The Type TSL230 IC is a programmable light-to-frequency converter it is a single-chip combination of a silicon photodiode and a current-t...

1-07-1997 | The broad-band instrumentation amplifier described may be used for a number of applications. It has symmetrical Inputs and a variable amp...

1-07-1997 | Standard zener diodes are often too slow for application in signal-limiting circuits. If a fast zener is not available, the circuit in th...

1-07-1997 | Reliable measurement of an electrical quantity is possible only if the circuit in which the measurement is carried out is not loaded by t...

1-07-1997 | The circuit in the diagram converts a sinusoidal alternating voltage into a direct voltage equal to the r.m.s. value of the input voltage...

1-06-1997 | The earth-Ieakage meter is suitable for use where direct earthing is impracticable and where the protective multiple earthing (PME) sy...

1-06-1997 | The design and construction of the LCR meter have been described in the April and May issues of this magazine. This 3rd and final part deal...

1-05-1997 | The design considerations and the circuit layout of the LCR meter were described in last month's first part of this three-part article...