What are VCOs?
| Voltage controlled oscillators (VCOs) can be tuned over a wide range of frequencies by applying a voltage (tuning voltage) to it. This type of oscillator is less costly than crystal oscillators, but not as stable. |
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| 2004-03-26 | Z-Communications VCO with 45MHz/V tuning sensitivity The compact V910ME01 VCO from Z-Communications delivers 3,930MHz to 4,200MHz within 1.5Vdc to 11Vdc of control voltage. |
| 2003-12-01 | Z-Communications VCO with -86dBc/Hz spectral signal The SMV5256A voltage-controlled oscillator from Z-Communications operates at a frequency range of 5.256GHz to 5.356GHz. |
| 2003-10-31 | Z-Communications VCO offers -110dBc/Hz phase noise The CLV0600A voltage controlled oscillator from Z-Communications Inc. is primarily used in the test equipment market. |
| 2004-02-26 | Z-Communications VCO has -108dBc/Hz noise performance The CRO4385A VCO from Z-Communications is geared for the point-to-point and point-to-multipoint microwave communication market. |
| 2004-03-23 | Z-Communications VCO covers to 2,300MHz The CRO2275A VCO from Z-Communications covers 2,250MHz to 2,300MHz in 0.5Vdc to 4.5Vdc of tuning with unmatched phase noise performance. |
| 2007-04-23 | W-CDMA 2.3GHz VCO using BFR360F and BBY58-02V The BFR360F is a 14GHz transition-frequency device which takes advantage of the latest manufacturing techniques requiring fewer processing steps than other devices in its class. |
| 2007-10-15 | VCO-based microwave signal generator rolls A fast-switching microwave signal generator ideal for data intensive applications, such as antenna test, satellite payload test, and terrestrial microwave link testing, has been introduced by Anritsu Co. |
| 2008-03-28 | VCO touts 'exceptionally' low phase noise, high output power From Z-Communications comes a Pb-free, RoHS-compliant, narrow-band coaxial resonator oscillator in the L band. |
| 2007-11-20 | VCO runs from 2,778MHz to 2,945MHz Crystek Corp. has introduced a voltage-controlled oscillator (VCO) that operates from 2,778-2,945MHz with a control voltage range of 0.1V to 16V. |
| 2008-07-21 | VCO rolls for L-band microwave radio apps Z-Communications Inc. has released a RoHS-compliant voltage-controlled oscillator (VCO) in the L-band. |
| 2004-12-02 | VCO inductor and external loop filter design guidelines for the AT86RF401X This app note explains the process of implementing a design using the AT86RF401X (RF wireless microtransmitter) |
| 2002-10-24 | VCO designs for wireless handset and CATV set-top applications This application note describes Alpha Industries' products and services for wireless handset and CATV set-top applications. |
| 2006-02-09 | VCO delivers -111dBc/Hz at 10kHz Z-Communications' latest VCO utilizes patented design techniques to deliver single side bandphase noise of -111dBc/Hz at 10kHz away from carrier with a second harmonic suppression better than -15dBc. |
| 2001-04-19 | Varactor SPICE models for RF VCO applications This application note discusses a varactor equivalent circuit model for RF VCO applications. |
| 2002-09-20 | Varactor spice models for RF VCO applications This application note describes the varactor parameter models for RF VCO applications. |
| 2005-06-22 | UMC fabricates record-setting VCO using CMOS tech Taiwan foundry United Microelectronics Corp. (UMC) has fabricated a voltage-controlled oscillator (VCO) with a record-setting fundamental operating frequency of 105GHz using its 0.13?m RFCMOS process technology. |
| 2004-11-05 | Tiny VCO supports wide frequency range Challenged to develop a miniature VCO with comparable performance to larger packages, Crystek Crystals launched its smallest VCO package. |
| 2008-07-08 | Tiny VCO offers ultralow phase noise Z-Communications has launched a RoHS-compliant voltage-controlled oscillator model CLV1370A-LF in L-band that has a typical phase noise of -108dBc/Hz at 10kHz offset and typical tuning sensitivity of 24MHz/V. |
| 2002-09-20 | Switchable dual-band 170/420 mhz vco for handset cellular applications This application note discusses a new switchable VCO solution which employs switching between separate tank circuits. |
| 2013-10-10 | South Korean researcher develops wideband ring VCO Wideband voltage-controlled oscillator is a key part of an IR-UWB system used in a Doppler radar system, which can detect human vital signs such as heart beats and respiration. |
| 2004-05-31 | Richardson to offer Z-Comm VCO, PLL products Richardson Electronics Ltd has signed a distribution agreement with Z-Communications Inc., a manufacturer of voltage controlled oscillators (VCOs) and highly integrated signal source solutions, including compact phase locked loop (PLL) modules. |
| 2001-06-04 | Reflow soldering conditions for VCO and synthesizer products This application note describes recommended practices for the successful assembly of M/A-COM VCO and synthesizer components using automated solder reflow techniques. |
| 2007-12-21 | PLL VCO covers 500MHz to 3.5GHz frequencies Raltron Electronics Corp. has released its PCC-A1-3100 phase lock loop (PLL) family of VCOs that covers a frequency range from 500MHz and 3.5GHz. |
| 2004-05-04 | Murata rolls out DR-VCO for 76GHz band radar The QMV101 series of 38GHz band DR-VCO from Murata is engineered for use in automotive 76GHz band radars. |
| 2013-05-23 | Macom's varactor diode built for high frequency VCO tuning The MAVR-000120-1411 is a package-less varactor with contacts that allows for standard solder reflow manufacturing processes and is fabricated using a GaAs process. |
| 2002-05-03 | Low-cost, extremely wide bandwidth VCO design using prescalers and Z-COMM VCOs This application note illustrates the process of converting higher frequency VCOs to an extremely wideband, low frequency VCO at low cost. |
| 2002-05-06 | Low cost, extremely wide bandwidth VCO design using multipliers and Z-COMM VCOs This application note illustrates the process of converting higher frequency VCOs to an extremely wideband high frequency VCO at a low cost by the use of multipliers. |
| 2003-08-15 | GP2010 and GP2105: Reduction of VCO-related EMC radiation This application note briefs users of Zarlink's GP2010 and GP2105 GPS RF Front-End modules on how to reduce the radiated emissions of VCO harmonics. |
| 2004-01-15 | Crystek VCO suits portable radios, test instruments Crystek Crystals Corp. has launched a line of VCOs that is initially comprised of three industry standard packages. |
| 2004-02-20 | Crystek VCO exhibits 53dBm output power Crystek Crystals has introduced a line of high-performance VCOs that generates frequencies between 2.974 GHz and 3.274 GHz. |
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