Frequency Synthesizers

Fixed Frequency Synthesizer offers low phase noise.
Frequency Synthesizers

Fixed Frequency Synthesizer offers low phase noise.

Operating in S-band at 3263.31 MHz, RoHS-compliant SFS3263A-LF features typical phase noise of -95 dBc/Hz @ 10 kHz offset and typical sideband spurs of -70 dBc. It delivers typical output power of 9 dBm with VCO voltage supply of 5 Vdc while drawing 33 mA (typ) over -40 to +85Â-ºC range. Additional characteristics include typical phase locked loop voltage and current of 3 Vdc and 13 mA,...

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Frequency Synthesizers

Clock Synthesizer ICs break 100 femtosecond jitter barrier.

Comprised of 25 sole source and second source clock synthesizers, QuietClock(TM) Series typically limits RMS jitter to 60 femtosecond. Units feature 3.3 and 2.5 V operation, 1-10 outputs from mix of single-ended and differential outputs, and industrial temperature range of -40 to 85°C. Covering frequencies used by PHY, MAC, SERDES, and memory subsystems, ICs are suited for Gigabit Ethernet,...

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Frequency Synthesizers

Frequency Synthesizer features low jitter output.

Model SY89610L takes in selected frequency clocks between 19-694 MHz and outputs selected frequency with low jitter, typically 1 psec rms. Device input accepts ac- or dc-coupled differential signals such as LVDS, LVPECL, and CML, and incorporates LC Tank VCO and auto-tune circuit that optimizes signal performance. Available in 32-pin MLF® package, applications include SONET/SDH, 10GeB FEC,...

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Frequency Synthesizers

Dual Output Clock Generator suits high-speed equipment.

Utilizing low-noise VCO and PLL architecture, Model MAX3674 generates 5 ps RMS jitter output up to 1,360 MHz from low-frequency reference clock provided by on-board crystal oscillator or external LVCMOS clock. Unit provides 2 differential LVPECL outputs for same or different frequencies. IÂ-²C-compatible interface enables fine-tuning of output frequency for frequency-margining testing....

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Frequency Synthesizers

ST's MEMS and RF Devices Selected Top Products by EETimes

Geneva, January 04,2008 - An ultracompact MEMS accelerometer and a multi-band RF synthesizer from STMicroelectronics (NYSE: STM) were selected as top products in the quarterly EETimes and eeProductCenter Ultimate Products Survey. ST's LIS244AL low-g linear accelerometer was chosen as a Top Ten product in the Interconnect/Passives and Electromechanical category. ST's accelerometer won acclaim from...

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Frequency Synthesizers

Frequency Synthesizers come in 3U rack-mount chassis.

Available in both single and dual output versions, WaveCor 5.0 and WaveCor 10.0 synthesizers operate over frequency range of 300 MHz to 5.0 GHz and 300 MHz to 10.0 GHz, respectively. Units provide phase noise levels of -137 dBc/Hz at 10 kHz offset and typical spurious levels of -65 dBc. Switching speeds on both models are less than 200 nsec when tuning to any operating frequency.

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Frequency Synthesizers

PLL Synthesizer targets wireless communication systems.

Model ADF4157 Fractional-N PLL synthesizer operates up to 6 GHz using power supply ranging from 2.7-3.3 V and can be powered down when not in use for current reduction from 23 mA to 0.01 mA. It consists of low-noise digital phase-frequency detector, precision high-voltage charge pump, programmable reference divider, programmable charge pump currents, and 25-bit fixed-modulus fractional divider....

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Frequency Synthesizers

Single-Chip Multi-Band RF Synthesizer operates up to 5 GHz.

Supplied in Pb-free VFQFN-28 packages, STW81103 features embedded VCOs with automatic center-frequency calibration that provide multi-band functionality; single device spans 625-762.5 MHz, 1,087.5-1,525 MHz, 2,175-3,050 MHz, and 4,350-5,000 MHz ranges. Phase-noise values are 0.27°, 0.6°, and 1.5° Root Mean Square @ 1.16, 2.33, and 4.67 GHz, respectively, with frequency step of...

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PLL Synthesizer suits satellite communications applications.
Frequency Synthesizers

PLL Synthesizer suits satellite communications applications.

With frequency range of 2,025-2,226 MHz, Model PVA2125C-LF delivers ultra low phase noise performance of -94 dBc/Hz at 10 kHz offset. Lead-free, RoHS-compliant Phase Locked Loop (PLL) synthesizer features spurious suppression of -15 dBc and supply voltage of 5 Vdc while drawing typical 21 mA over extended temperature range of -40 to 85°C. Available in 0.6 x 0.6 x 0.135 in. tape and reel...

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Frequency Synthesizers

Zarlink and Marvell® First to Demonstrate Synchronous Ethernet Solution Supporting Network-Quality Performance

Companies demonstrate synchronization over Ethernet physical layer using Zarlink PLL (phase locked-loop) and Marvell Ethernet PHY technologies OTTAWA, Jan. 31 /- Zarlink Semiconductor (NYSE/TSX:ZL) and Marvell® (NASDAQ:MRVL) today announced the successful demonstration of a synchronous Ethernet solution using already available products from both companies that will allow carriers to support...

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