DRAWN BY: DAVE JOHNSON

50MHz BANDWIDTH LIGHT PROBE

PLASTIC

OPTICAL FIBER

OUTPUT = APPROX.
500uV/mW LIGHT IN

FRONT VIEW

A

C

OPTICAL FIBER

PIN DETECTOR

MOTOROLA MFOD-71

+

BNC PLUG

BNC JACK

50 OHM SCOPE INPUT

CIRCUIT DRAWS NEAR ZERO CURRENT WHEN NO

LIGHT COLLECTED BY OPTICAL FIBER PROBE

CIRCUIT DRAWS ZERO CURRENT

WHEN NOT CONNECTED TO SCOPE

A

C

A

DAVID JOHNSON AND ASSOCIATES

50MHz FIBER OPTIC LIGHT PROBE

A

1

1

Sunday, June 04, 2000

50MRVR1.DSN

Size

Document Number

Rev

Date:

Sheet

of

PIN

3V LITHIUM

50 OHMS

0.1