Specifications

Section 1 - Introduction to CCD Cameras

Page 9

The TC255 CCD used in your camera is made using Texas Instrument's Virtual Phase

technology that gives excellent Blue response compared to other CCDs. This is achieved by

reducing the number of photon-absorbing clocking gates in the CCD.

Figure 1.2 - CCD Quantum Efficiency

1.4. Camera Hardware Architecture

This section describes the ST-5C Advanced CCD Camera from a systems standpoint. It

describes the elements that comprise a CCD camera and the functions they provide. Please

refer to the figure below as you read through this section.

CPU

TE Cooler

Optical

Head

Preamp

Postamp/

A/D

Converter

Clock

Drivers

Micro-

controller

Gate

Array

CCD

Shutter/

Filter Wheel

Cigarette

Adapter

Wall

Xfmr

(US &

Japan)

Host Computer

Figure 1.3 - CCD System Block Diagram