Analogue & Linear ICs News

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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Precision and no drift from ADI's 55V op-amp

Analog Devices has introduced a 55V, low-noise, zero-drift, precision op-amp that includes electro-magnetic interference (EMI) filtering and needs no calibration circuitry. Called ADA4522-2, the dual channel device is the first of a series. Operation is over ±2.25V to ±27.5V, or 4.5 to…

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Low phase noise oscillator from Crystek

Crystek has launched the CCPD-575 – an Ultra-Low Phase Noise LVPECL Oscillator providing a -162 dBc/Hz noise floor. The chip’s phase noise is claimed to be 15 dB lower phase noise than most LVPECL oscillators on the market. Close-in phase noise i -90 dBc/Hz for…

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LTC double-balanced mixer can be up or down-converter

Linear Technology announces the LTC5549, a double-balanced mixer that can operate either as an up-converter or down-converter, with a very wide RF frequency range from 2GHz to 14GHz. The mixer has a linearity of 24.4dBm IIP3 at 9GHz. It is aimed at microwave transmitter and receiver…

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Crystek low phase noise VCXO

Crystek has launched an ultra-low phase noise HCMOS voltage-controlled crystal oscillator (VCXO) providing a -150dBc/Hz noise floor. This overall ultra-low phase noise translates to a typical phase jitter of 0.5psec (12kHz to 8 MHz). Packaged in a 9x14mm SMD package, the CVHD-952 is available…

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IDT launches digital re-distortion demodulator

IDT is selling a digital pre-distortion (DPD) demodulator operating from 3,200MHz to 4,000MHz which enhances the performance of the digital pre-distortion transmitter linearisation path of cellular base stations. With its integrated digital step attenuator (DSA) and single-pole-double-throw switch (SP2T), the F1358 DPD joins…

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ADI integrates 24-bit sigma-delta converters into sensor interface chip

Analog Devices has integrated 24-bit sigma-delta converters into analogue front end devices with up to eight differential inputs. The AD7124-4 and AD7124-8 are integrated signal chain devices with a programmable gain amplifier, precision reference, reference buffers, current sources, temperature sensor and excitation sources all on-chip…

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Crystek VCO operates from 3420-3430MHz

Crystek’s CVCO55CC-3420-3430 VCO operates from 3420 MHz to 3430 MHz with a control voltage range of 0.5 V~4.5 V. This VCO features a typical phase noise of -110 dBc/Hz @ 10KHz offset and has excellent linearity. Output power is typically +2.0 dBm. The…

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