National Instruments PXI-6608 Counter/Timer Module
Specific parameters
Counter/Timer: 8 32-bit up/down counters/timers, both measuring and source frequency are 80MHz, and the source frequency can reach 125MHz when using a prescaler.
Digital I/O: 32 5V TTL/CMOS compatible digital I/O lines, of which 8 are dedicated and 24 are shared with counters/timers.
Clock: A 10MHz constant temperature crystal oscillator (OCXO) with a stability of 75ppb.
Electrical characteristics: Input impedance of 25k Ω to 500k Ω, output impedance of 75 Ω, Schmitt trigger hysteresis of 300mV, power requirement of 1A to 2.5A.
Physical characteristics: The size is 16.0×10.0 centimeters.
Working environment: Recommended working temperature range is 0 ° C to 55 ° C, storage temperature range is -20 ° C to 70 ° C; non condensing working humidity range is 0% to 90%, storage humidity range is 5% to 95%.
Product Performance
High precision timing: Equipped with OCXO, it can provide high-precision time measurement and pulse generation, serving as a gate or source for counters, as well as a PXI backplane clock, providing stable clock reference for other modules in the system to ensure synchronization accuracy.
High speed counting capability: 8 32-bit counters/timers can achieve high-speed counting, combined with 80MHz measurement and source frequency, can quickly and accurately count and measure external signals, suitable for high-frequency signal scenarios.
Reliable digital I/O: 32 digital I/O lines can meet various digital signal input and output requirements, and are compatible with TTL/CMOS, with good compatibility and anti-interference ability. Some digital I/O lines also have digital debounce filters to reduce the impact of signal jitter.
Synchronous conversion function: It has three types of synchronous high-speed DMA conversion capabilities, which can achieve efficient data transmission and synchronous operations in multi-channel data acquisition and processing scenarios, and improve the overall performance of the system.
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