Tech news tagged ‘oscillator’

Crystek VCXO with low phase noise

Crystek has brought out an ultra-low phase noise HCMOS VCXO with standby mode, featuring a close-in phase noise of -90dBc/Hz @ 10Hz offset and a typical noise floor of -168dBc/Hz @ 100kHz offset.

The CVHD-957 is suitable for applications such as: Digital Audio Broadcasting (DAB) Professional CD…

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Low phase noise for VCXO

Crystek is claiming record low phase noise for its voltage-controlled crystal oscillator (VCXO): -85 dBc/Hz at 10Hz offset.

Called CVPD-922, typical phase jitter is 85fs (12 kHz to 20 MHz) and noise floor is -162 dBc/Hz.

Frequency options are between 40 and 125MHz.

Size is 14…

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Crystek VCO operates at 3,400MHz

Crystek’s CVCO55CC-3400-3400 voltage controlled oscillator (VCO) operates at 3,400MHz with a control voltage range of 0.3V~4.9V.

This VCO features a maximum phase noise of -112dBc/Hz @ 10KHz offset and the company claims excellent linearity. Output power is +7.0dBm max.

The device is…

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High frequency, low jitter, clock oscillator from IQD

IQD has introduced a high frequency, low jitter clock oscillator with low phase jitter of less than 0.5ps rms max (over 12kHz to 20MHz) irrespective of which output is specified.

Housed in a hermetically sealed 2.5×2.0mm ceramic six-pad package, the new model is available in a…

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1-26MHz MEMS oscillator challenges quartz on all fronts

Called SiT8021, power consumption is 110µA for 3MHz, and the device is available in chip-scale packages (CSPs) as small as 1.5×0.8mm.

The MEMS part is a 524kHz double tuning fork resonator (see diagram), identical to the one in a similar 32kHz oscillator released three months ago…

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Crystal oscillators from IDT

IDT has brought out two families of crystal oscillators.

The XU and XL crystal oscillators are customisable for frequencies from 16kHz to 1.5GHz, with 300fs RMS phase jitter, and are available in HCMOS, LVPECL, LVDS, and HCSL outputs.

To shorten time to market, IDT is offering fast delivery of…

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+/-20ppm MEMS oscillator vies with quartz

Silicon Labs has introduced a quartz-beating MEMS resonator technology, the first fruit of its 2010 acquisition of Sunnyvale-based Silicon Clocks.

“We are guaranteeing ±20ppm performance for 10 years from -40 to 85°C, Mike Petrowski, v-p timing products at SiLabs, told Electronics Weekly.

The technology has been…

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Bi-directional 3MHz dc-dc charges Li-ion and supplies 5V

Aimed at devices that can both be charged from USB, and supply 5V through the same connector for USB on-the-go (OTG), Fairchild has released a bidirectional dc-dc converter.

FAN54015 is a 3MHz synchronous converter, capable of supplying 1.45A to the cell at a programmable float from…

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ADI reference board combines FPGAs and 14-bit ADCs

The latest addition to a range of FPGA-based reference design boards from Analog Devices is the AD9250-FMC-250EBZ includes JEDEC JESD204B standard data converters providing four 14-bit A/D converter channels at 250MSPS in an FMC-compliant form factor.

The two on-board AD9250 A/D converters…

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Semikron gate driver for parallel IGBTs

Semikron’s latest gate-drive unit is designed for use with interleaved, multilevel and parallel IGBT circuits.

The Skyper 42 LJ is a dual-channel IGBT driver unit for 600V, 1,200V and 1,700V IGBT modules.

It controls IGBT modules up to 1,000A with an output current of…

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