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Buying Guides

Harmonic Oscillators Buying Guide

Oscillator circuits produce repetitive signals to control periodic activities of devices like watches and lights. Harmonic oscillators are a type of oscillator that produces these signals at a steady rate.

Product News

Coaxial Resonator VCO: CRO5550Z-LF Features Ultra Low Phase Noise

SAN DIEGO, August 26, 2008: Z-Communications, Inc. announces a new RoHS compliant Coaxial Resonator VCO (Voltage-Controlled Oscillator) model CRO5550Z-LF in C-band. The CRO5550Z-LF operates from 5450-5650 MHz (using a doubler inside) with a tuning voltage range of 0.5-15 Vdc. This VCO features a typical phase noise of -104 dBc/Hz @ 10 KHz offset and a typical tuning sensitivity of 20 MHz/V.

World's Smallest 2.5 V Oscillator Now Available from Fox

Fort Myers, FL, July 30, 2003 – Fox Electronics, America's leading supplier of frequency control products, now offers the world's smallest oscillator with 50% less input current. Operating at 2.5 V, the new F340 Series consumes half the power of previous oscillators, which typically operate at 3.3 V. The new F340 Series' extremely small footprint and exceptionally low power consumption make it ideal for portable battery-powered applications where size is critical, such as in the wireless, wireless LAN, and handheld markets.

Connor Winfield's New Stratum 3E, Model STM-S3E-3V Now Operates at 3.3V

As an extension to its family of Stratum 3E timing solutions, Connor-Winfield now offers the only 3E clock module to operate from 3.3 volts. It is a complete system clock module for Stratum 3E timing card applications in accordance with GR-1244-CORE, GR-253-CORE, and G.812 Type III. The product has four operational modes: Free Run, Hold Over, Primary Reference-In, Secondary Reference-In and provides a reliable backplane clock reference to line cards for use in TDM, PDH, SONET, and SDH network equipment.

White Papers

Spurious Modes of AT Cut Quartz Crystals Used in Quartz Crystal Oscillators

Often called an "unwanted response", spurious modes are an unwanted mode of operation in AT cut crystal resonators. These unwanted modes are caused by inharmonic modes of oscillation at frequencies located just above (typically 1000ppm to 2000ppm above), the desired, or ‘wanted’ operational frequency.
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