Spectracom Corp.
Rochester, NY 14623
Aug 13, 2008 Suited for ultra low latency computer architectures, TPRO-PCI-66U and TSAT-PCI-66U bus-level timing boards offer zero latency time reads of precise time stamps. Model TPRO-PCI-66U synchronizes to master clock through IRIG and other time codes, while TSAT-PCI-66U uses GPS satellite system to synchronize to coordinated universal time without need of any local source of official time. PCI-X compliant boards run at 66 MHz bus speed with 32-bit data interface.

Integrated Device Technology, Inc.
Santa Clara, CA 95054
May 27, 2008 Offering 2 psec rms phase jitter performance, 9FG104D generator can be driven with either 14.318 MHz or 25 MHz crystal to provide 4 PCIe Gen2 reference clocks. Additionally, 8 output version, Model 9FG108D, is available for larger applications. Both devices are are configurable through hardware pins or through SMBus interface and offer both spread-spectrum and non spread-spectrum options. Versions that withstand -40° to 85°C industrial temperature range are also offered.

Maxim Integrated Products
Sunnyvale, CA 94086
May 19, 2008 Built on DSP-based, digital PLL technology, Model DS3102 offers carrier-class, Stratum 3 clock synchronization for G.8262-compliant synchronous Ethernet (Sync-E) equipment. It can lock to any multiple of 2 kHz up to 131.072 MHz and any multiple of 4 kHz up to 155.52 MHz, and can generate any multiple of 2 kHz up to 77.76 MHz, any multiple of 8 kHz up to 311.04 MHz, and any multiple of 10 kHz up to 388.79 MHz. Unit is designed for central clock-synchronization function in telecom systems.

u-blox AG
Schweiz   Switzerland
Apr 07, 2008 Capable of (compensated) time pulse accuracy of up to 15 ns, LEA-5T offers Time Mode function whereby GPS receiver assumes stationary position that can be programmed manually or determined by initial self-survey. Stationary operation enables GPS timing with only one visible satellite and eliminates timing errors. Along with SuperSense KickStart weak signal acquisition technologies, module incorporates time mark and counter unit for globally synchronized time stamping/measuring.

Xilinx, Inc.
San Jose, CA 95124 3400
Dec 28, 2007 Implemented using Xilinx® Virtex(TM) or Spartan(TM) FPGA, carrier-class solution is delivered as 2 IP cores (NGNTime and FemtoTime) that are fully interoperable with NTP and provide migration path for Version 2 of IEEE 1588 or PTP. This provides designers of next-generation wired/wireless communication networks with embedded programmable timing solution that supports field upgradeability and customization. Solution provides accurate, end-to-end timing across entire network.

Laurel Electronics, Inc.
Costa Mesa, CA 92626
Nov 15, 2006 Timing events from 1 µs to 999,999 hr, Laureate Model FRS, 6-digit panel-mount timer displays event times in ms, sec, min, or hr. Accumulated time from multiple events can be tracked and displayed, automatically stored in non-volatile EEPROM even in absence of power. Featuring dual-channel signal conditioner accepting signals from 12 mV to 250 Vac, timer has 2 modes allowing start and stop pulses to be measured on same or different channels.

ELDIM
HEROUVILLE SAINT CLAIR 14200  France
Apr 24, 2006 Designed to assess screen timing dependency, Imaging OPTIScope consists of sensors, supporting software, and FPDDrive signal generator. Imaging sensor is photomultiplier tube with embedded acquisition card, and CMOS sensor gives direct view of area where timing signal is averaged. Other features include photopic filter and angular aperture of ±2°. Digital information can be optionally sub-sampled; version designed for LCD market has minimum sampling rate fixed at 10 µsec.

Zarlink Semiconductor Corp.
Ottawa, ON K2K3H4
Mar 03, 2006 Delivering OC-48 performance with sub 1 ps jitter output, single-chip Models ZL30116 and ZL30119 generate 3 independent clock families, eliminating need for external dividers or clock-multiplying PLLs. Devices deliver range of selectable output frequencies for low-jitter clocks, including 19.44, 38.88, 51.84, 77.76, 311.04, and 622.08 MHz. Providing holdover and hitless reference switching, chips ensure continued operation during network disruptions or upgrades.

Geotest - Marvin Test Systems, Inc.
Irvine, CA 92614-5846
Apr 14, 2005 With 14 pre-defined measurement functions, GC22x0 Series features internal clock source, programmable ARM source, and microprocessor. Model GC2210 measures frequencies from DC to 225 MHz with 9-digit resolution, while GC2220 measures from DC to 1.3 GHz with 100 pS resolution. Each input channel is programmable for 1 Megohm or 50 ohm input impedance. Able to determine any frequency to 0.1 ppm in 1 ms, GC2230 covers frequencies up to 2.0 GHz.

Megger
Dallas, TX 75237-1017
Nov 05, 2004 MGTR GPS Timing Reference system performs synchronized end-to-end tests of line protection schemes. Equipped with 12-channel GPS timing receiver integrated with proprietary microprocessor-controlled timing and interface logic, unit simultaneously tracks all available GPS satellites to gather precise timing information. In addition, unit provides a standard 1 pulse/sec, ASCII serial time message, external event time-tag, and a 10 MHz output signal.

National Instruments Corp.
Austin, TX 78759-3504
Mar 02, 2004 Model PCI-6528 and CompactPCI/PXI-6528 digital I/O devices feature up to 60 Vdc range on inputs and outputs, 5 V logic thresholds, and isolated input/output to PXI trigger bus. They include programmable power-up states, digital I/O watchdogs, change detection, and programmable input filters. Model PCI-6624 counter/timer board features 48 Vdc range and 5 V logic thresholds, as well as isolation to protect electronics from transient voltage spikes.