FUNCTIONAL DESCRIPTION

The DDU47F-series device is a mechanically variable, FAST-TTL interfaced delay line. The signal input (IN) is reproduced at the tap output (OUT), shifted by an amount which can be adjusted between 5ns and 25ns. The device operates from a single 5V supply and is TTL interfaced, capable of driving up to 10 TTL loads.

FEATURES

• Ideal for “Set and Forget” applications

• Multi-turn adjustment screw (approx. 15 turns)

• Surface-mount package

• Input & output fully TTL interfaced & buffered (10 T2L fan-out capability)

• Resolution: 0.25ns typical

• Adjustment range: 5ns to 25ns

• Output rise time: 2ns typical

• Min. input pulse width: 10ns

• Power dissipation: 230mW maximum

• Operating temperature: 0° to 70°C (Commercial) -55° to 125°C (Military)