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Four-Channel Line Driver

Pulse Research LabRequest Info
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Drives Four Signals into 50-Ohm Loads
TORRANCE, Calif., June 23 -- Pulse Research Lab (PRL) is offering a PRL-444 four-channel, high-input-impedance, 50-ohm TTL (transistor-transistor logic) line driver. This compact, self-contained buffer pod drives four TTL/CMOS signals into 50 ohm loads. With a 10-k ohm input impedance, the new, ready-to use PRL-444 can receive signals from devices with low drive current, such as sensors, PC-based digital I/O cards, satellite receivers, optical transceivers, camera triggers, recorders and laboratory equipment with TTL/CMOS outputs.
Each input has a 10-k ohm pulled up to 2.5 V so it can also be driven by open collector devices. The 50-ohm back-terminated outputs of the PRL-444 can drive long lines with or without 50-ohm terminations. With 50-ohm load terminations, all outputs can drive 100 feet of 50-ohm cables at clock rates greater than 60 MHz.

PRL said the PRL-444 is ideal for applications where a single-function instrument pod is needed to drive multiple TTL/CMOS outputs into 50-ohm loads. Small enough (1.3 in. x 2.9 in. x 2.9 in.) to fit anywhere on your test bench, it can often replace the need for bulky, expensive pulse generators at a fraction of the cost. The new four-channel line driver works extremely well for high-speed digital communications, test and measurement, system integration, hi/lo logic level generation and basic lab use.

The unit includes an AC adapter and BNC or SMA signal connectors for ready-to-use convenience on the bench or in a system. The extruded aluminum housing is suitable for mounting with the optional brackets, and up to four units can share a single AC adapter using PRL voltage distribution modules.

For more information, visit:; e-mail: [email protected]

Pulse Research Lab
1234 Francisco Street
Torrance, CA 90502-1200
Phone: (310) 515-5330
Fax: (310) 515-0068
Jun 2005

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