Frequency Standards Articles

Frequency Standards Articles: Primary Standard: One arrangement is a carefully designed quartz crystal oscillator operating in the range 50 to 100 kHz, having a low temperature coefficient, constant amplitude output…

Continue Reading Frequency Standards Articles

Precision Frequency Standard

Precision Frequency Standard: Most high precision frequency standard in use utilise a geometric transverse (GT) cut quartz crystal as the frequency controlling resonant elements having changes in frequency of less…

Continue Reading Precision Frequency Standard

Atomic frequency standards and clocks

Atomic frequency standards and clocks: Atomic frequency standards and clocks - The measurement of time has two different aspects, civil and scientific. In most scientific work, it is desired to…

Continue Reading Atomic frequency standards and clocks

Frequency Compensation Methods

Frequency Compensation Methods: Phase-Lag and Phase-Lead Compensation - Lag compensation and lead compensation are two Frequency Compensation Methods often employed to stabilize op-amp circuits. The phase-lag network in Fig. 15-7(a)…

Continue Reading Frequency Compensation Methods

Television Systems and Standards

Television Systems and Standards: It is clear that a large amount of information must be broadcast by a television transmitter and that there are a variety of ways in which…

Continue Reading Television Systems and Standards

Intermediate Frequency Amplifier

Intermediate Frequency Amplifier: Choice of frequency: The Intermediate Frequency Amplifier (IF) of a receiving system is usually a compromise, since there are reasons why it should be neither low nor…

Continue Reading Intermediate Frequency Amplifier