DDU11H

Doc #97035

DATA DELAY DEVICES, INC.

4

12/10/97

Tel: 973-773-2299

Fax: 973-773-9672

http://www.datadelay.com

DELAY LINE AUTOMATED TESTING

TEST CONDITIONS

INPUT:

OUTPUT:

Ambient Temperature: 25

Load:

50

Ω to -2V

Supply Voltage (Vcc): -5.0V

± 0.1V

5pf

± 10%

Input Pulse:

Standard 10KH ECL

Threshold:

levels

(Rising & Falling)

Source Impedance:

50

Ω Max.

Rise/Fall Time:

2.0 ns Max. (measured

between 20% and 80%)

Pulse Width:

Period:

NOTE: The above conditions are for test only and do not in any way restrict the operation of the device.

T1

OUT

TRIG

IN

REF

TRIG

Test Setup

DEVICE UNDER

TEST (DUT)

OSCILLOSCOPE

PULSE

GENERATOR

IN

T2

T3

T4

T5

Timing Diagram For Testing

20%

20%

50%

50%

80%

80%

50%

50%

INPUT

SIGNAL

OUTPUT

SIGNAL