TTI TIA-3000 Operating Instructions Manual Download Page 4

Page: 4 / 7

Warning!

No voltage should be present at user interface or damage to the unit may occur.

Typical Setup of the TIA-3000

“K” Connector

FC Connector

Signal

Model TIA-1200 O/E Converter

Power

Off

Output

50 Ω

User supplied RF

output cable - 50 OhmΩ

◄

TTI

Model TIA-3000 O/E

Page 2

The TIA-3000 is comprised of a fiber coupled InGaAs detector coupled with a reverse bias voltage
network and fast transimpedance amplifier. The output of the unit brought out to a type K female SMA
connector. Light falling on the detector generates a positive-going proportional current. This current,
multiplied by the transimpedance produces a voltage that is proportional to the light incident on the
detector surface.
Normally the unit is used to drive a coaxial cable, this cable should have a 50 ohm characteristic
impedance and be terminated with a 50 ohm load at the oscilloscope or other measuring device to be
used.
The active area of the TIA-3000 is 50 microns in diameter. Standard coupling fiber is 9µm. Special
orders with 50µm coupling fiber for use with multimode systems are available.
The TIA-3000 is normally equipped with FC/UPC connectors. Optionally the unit may be ordered with
FC/APC connectors but return loss will be dominated by reflections from the detector.

Turn on sequence

Ground via SMA

Turn on the TIA-3000

Connect optical power

Turn off sequence:

Remove optical power

Turn off TIA-3000

Disconnect ground through SMA

Failure to operate the TIA-3000 as directed will void the warranty

Operating Sequence

Operating Considerations

苏州波弗光电科技有限公司