Time standards and frequency standards can include cesium or rubidium atomic clocks, quartz oscillators, hydrogen masers and other master clocks. Time reference sources are used in networks & telecommunications, observatories, utilities and navigation (GPS). Learn More about Time and Frequency Standards

...twisted, or distorted. Typically, quartz crystals are used as active elements in oscillators. Applying mechanical stress to quartz produces a voltage that is proportional to the mechanical frequency of the vibration. Conversely, applying an AC voltage... Search by Specification | Learn More about Crystals

IC phase-locked loops (PLL) are closed-loop frequency controls that are based on the phase difference between the input signal and the output signal of a controlled oscillator. Learn More about Phase-locked Loops (PLLs)

...constraints on the handling of digital signal timing. Circuit timing devices work on an integrated circuit timing control method using a self-contained oscillator, digital counter, and output circuit to drive relays or trigger solid state outputs... Learn More about Specialty IC Timing Devices

...and a microPC617. A MicroPC1555 timer chip is used as a timing signal generator and can act as a stable and monostable generators. A MicroPC617 timer chip is used for driving lamps and relays and can act as a timing signal generator for this purpose... Learn More about IC Timers

Monostable multivibrators, also known as one-shots, are digital devices similar to flip-flops, but with only one stable state where they remain until triggered by an input signal. Once triggered, the output is switched to the opposite state Search by Specification | Learn More about Monostable Multivibrators

Flip-flops are digital logic devices that synchronize changes in output state (1 or 0) according to a clocked input. Search by Specification | Learn More about Flip-flops

...is derived from an oscillator that is very stable in terms of frequency. Selecting frequency synthesizers requires an analysis of production specifications and application requirements. For example, because PLL frequency synthesizers cannot operate over... Search by Specification | Learn More about Frequency Synthesizers

RF transmitters are electronic devices consisting of an oscillator, modulator, and other circuits that produce an RF signal. Search by Specification | Learn More about RF Transmitters

Gunn diodes or transfer electron devices (TED) exhibit a negative resistance region. They are used in high-frequency applications, often for building RF oscillators. Impact ionization avalanche transit-time (IMPATT) diodes are designed to operate Search by Specification | Learn More about GUNN and IMPATT Diodes

signals with local oscillators that are 90º apart in phase, and then combine the outputs vectorially in a 0º mixer. Search by Specification | Learn More about I/Q Modulators and I/Q Demodulators

Glass materials have a random, liquid like (non-crystalline) molecular structure. They are heated to a temperature sufficient to produce a completely fused melt. Search by Specification | Learn More about Glass Materials

RF and microwave laminates are used as substrates for radio frequency (RF) and microwave communication systems and electronics. They are designed to meet the demanding performance standards for higher-frequency applications. Search by Specification | Learn More about RF and Microwave Laminates

...phase-locked loops (PLLs), electronic circuits that consist of a phase/frequency detector (PFD), low pass filter, and voltage-controlled oscillator (VCO). PLL frequency synthesizers use the PFD to compare a feedback frequency with a divided-down... Search by Specification | Learn More about PLL Frequency Synthesizers