GPS choices include both C/A code and SAASM models.īrandywine also is the premier North American distributor of Oscilloquartz, a subsidiary of ADVA Optical Networking. The system product line includes single and dual-redundant models, GPS synchronization and a wide range of oscillator choices: TCXO, OCXO, high-stability OCXO and Rubidium types. Several state-of-the-art time and frequency systems are available from Brandywine. Products from Brandywine Communications range from components such as Oven Controlled Oscillators to complete timing systems like the top of the line High Performance Timing System (HPTS). Many of our products are made here in the United States, which allows for quick turnarounds and custom design. Our staff of dedicated professionals, based in Tustin, CA, represents over 100 years of collective experience in design, manufacturing and sales of precision time and frequency products. Our mission is to provide the finest equipment coupled with excellent before and after sale service. offers superior products to the time and frequency marketplace. PCIe SyncClock32, Low Profile Version, ROHS CertifiedġPPS IRIG A, IRIG B, NASA 36 (1KHz Carrier)īrandywine Communications Inc. IRIG A, IRIG B, IRIG G, NASA 36 (1KHz Carrier) PCIe SyncClock32 with Disciplined TCXO Option and IRIG G Input RS422, IRIG A, IRIG B, NASA 36 (1KHz Carrier) PCIe SyncClock32 with DC RS-422 Input, and IRIG B Output GPS, IRIG A, IRIG B, NASA 36 (1KHz Carrier) PCIe SyncClock32 IRIG B Output, OCXO Oscillator Option, and GPS Bracket PCIe SyncClock32 with IEEE 1344 In and a Disciplined TCXO Oscillator Option IEEE 1344, IRIG A, IRIG B, NASA 36 (1KHz Carrier) PCIe SyncClock32 with IEEE 1344 In and Out These options allow the user to customize the PCI-Express to fit almost any application. In addition to the comprehensive set of standard capabilities of the PCI-Express, Brandywine Communications offers a wide range of options that may be specified. C language samples are supplied with the PCI-Express. Software packages for Windows, VxWorks and Linux are available. Very precise synchronization, automatic leap year and leap second correction, and accurate position information are additional benefits provided by the GPS option. The GPS synchronization option adds worldwide time transfer capability that can be traced to the U.S. The inputs to the rate generators are 3 MHz or 100 Hz for the heartbeat, 3 MHz for Clock High and 100 Hz for Clock Low. The divider for each of the three rate generators is programmable by the host over the range 2–65,535. The third rate generator provides heartbeat timing to the host. Two pulse rates, Clock Low and Clock High, are available on the multi-pin connector. Three user programmable pulse rates are provided. The resolution of the Match Time comparison is one microsecond. The output is terminated under user control or when the pre-programmed stop time is encountered. This feature asserts an output when the clock’s time matches that of the user input start time. Internal or external processes may be automatically initiated or terminated by using the Match Time feature. The resolution of the time tag is 100 nanoseconds. When the event input is sensed the current time is saved in a buffer for later interrogation by the host. The exact time-of-occurrence of random external events may be captured by using the Event Time input. A status word is available using an additional read. The time message contains units of microseconds through units of years. When the input code is again useable the correction loop is smoothly closed.ĥ8 bits of BCD time data are available to the host computer using two zero latency time reads. If the incoming time code is missing, or corrupted by noise, the on-board clock is updated using the disciplined oscillator. In units with a disciplined TCXO or OCXO the residual error is used in an adaptive gain loop to adjust the frequency of the oscillator for minimum error. The advanced microprocessor on the PCI-Express SyncClock LP module constantly measures the time error between the on-board clock and the reference input code and adjusts the error measurement for propagation delay. The on-board clock accepts an IRIG A, B, or NASA 36 input and accepts user input reference input signal delay information. The clock can free run and be set by commands from the host over the PCI Express bus. The reference signal inputs can be 1 PPS, IRIG or NASA time codes and optionally, GPS or HaveQuick. Synchronizes the clock to reference signal inputs. The PCI-Express SyncClock LP from Brandywine Communications provides precision time with zero latency to the host computer over the PCI bus.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |