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Pulse Width Modulation Input Card

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What is the Pulse Width Modulation Input Card?

Concurrent’s FPGA-based Pulse Width Modulation (PWM) cards are ideal for use in high-performance hardware-in-the-loop (HIL) simulation and test applications. The PWM input card is designed for capturing pulse width modulated signals with high accuracy. It features a timing resolution of 15 nanoseconds and the ability to measure the frequency and duty cycle. The PWM input and output cards are fully supported by Concurrent’s RedHawk Linux operating system on iHawk simulation platforms. Multiple cards can be installed in a single system. A Molex LFH-60 connector is mounted on each card for connection to external devices.

See the data sheet




TTL12-channel TTL inputs
Measurement Base Frequency66 MHz
Measurement Frequency Range0.05Hz to 660KHz
Measurement Duty Cycle0-100%
Pulse WidthMin. 15 ns
PeriodMin. 30 ns
AccuracyPulse-width/period accuracy of 2 internal clock cycles
Pulse Width AveragingProgrammable (max 127 pulse average)
Debouncing FiltersProgrammable digital debouncing filters on every channel
Supports multiple cards per systemYes
External ConnectorsMolex LFH-60


DimensionsFHHL PCIe

Power Requirements

Power RequirementsApproximately 5 Watts

Ordering Information

12-channel PWM Input CardCP-PWM-1112
RedHawk Linux DriverWC-PWM-1112
SIMulation Workbench LicenseICS-SWB-1243
PWM Input Interface Assembly with 6-foot CableCX-LFH60-IN
PWM Input Interface Assembly with DIN Mounting and 6-foot CableCX-LFH60-IN-DIN

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