Pentek Model 7190 Multifrequency Clock Synthesizer
Pentek announced the Model 7190 Multifrequency Clock Synthesizer. All eight output clocks are phase locked to an external frequency reference, typically 5 or 10 MHz. The 7190 uses four TI CDC7005 Clock synchronizers, each controlling a quad frequency voltage controlled crystal oscillator (VCXO). Each CDC7005 is programmed to select any one of its four VCXO frequencies, providing a total of sixteen different VCXO frequencies for the board. Each of these frequencies can then be divided by 1, 2, 4, 8 or 16, resulting in 80 different clock frequency choices. Up to five different frequencies from this set can be delivered to the eight front-panel SMC output connectors, or a single identical clock can be sent to all eight outputs. Numerous other combinations are also possible, depending upon the specific configuration of the A/D and D/A boards.
Pentek Model 7190 Multifrequency Clock Synthesizer Features
- Simultaneous synthesis of up to 5 different clocks
- Up to 8 synthesized clock signal outputs for high-precision data acquisition
- Low-phase noise and jitter preserves signal accuracy
- 1/10 the cost and 1/4 the size of alternative clock sources
- Ideal for A/D and D/A converter clock sources
- Typical phase noise: -125 dBc/Hz @ 1 kHz offset
- All clocks are phase-locked to input reference signal
- Input reference frequency of 5 or 10 MHz
- Four quad VCXOs allow selection from 16 different base frequencies
- Output clocks of 1, 2, 4, 8, or 16 submultiples of VCXO base frequencies
- Output clock frequencies between 50 and 500 MHz
- Control and status via PCI bus interface
- Features nonvolatile memory
- Is adaptable to many different architectures
More info: Pentek
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