Crystek Corp. has launched the CVHD-957, a new ultra-low phase noise HCMOS voltage-controlled ocillator (VCXO) with standby mode, featuring an extremely low close-in phase noise of -90 dBc/Hz @ 10 Hz offsetand a typical noise floor of -168 dBc/Hz @ 100 kHz offset. This performance makes Crystek’s HCMOS VCXO family an industry-leading choice for use in applications such as: digital audio broadcasting (DAB), professional CD audio equipment, and digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) for HD audio.

The Crystek CVHD-957 HCMOS VCXO also features a “Standby Function” – when placed in disable mode, the internal oscillator is completely shut down and its output buffer is placed in Tri-State. This family is housed in a 9 x14 mm SMT package and operates with a +3.3 V power supply consuming 15 mA of current. Stability is rated at ±100 ppm.The CVHD-957 generates frequencies between 10 and 50 MHz.

The Crystek CVHD-957 HCMOS Clock Oscillator is made in the U.S.A. and available from Crystek’s stocking distributors. For pricing details, contact Crystek Corp.

Family datasheets are available for download at For more information, contact sales at Crystek Corporation, 12730 Commonwealth Drive, Ft. Myers, FL 33913. Tel: 800-237-3061 or 239-561-3311; Fax: 239-561-1025; E-mail:; Web: