Chapter 7 Tutorial
Overview of Agilent E3633A and Agilent E3634A Operation
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In terms of performance, a linear regulated supply has a very precise regulating
properties and responds quickly to variations of the line and load. Hence, its
line and load regulation and transient recovery time are superior to supplies
using other regulation techniques. The power supply also exhibits low ripple
and noise, is tolerant of ambient temperature changes, and with its circuit
simplicity, has a high reliability.
The Agilent E3633A and Agi lent E3634A contain a linear regulated power
supply. It is controlled by a control circuit that provides voltages to program
the outputs. The power supply sends back to the control circuits a voltage
representing the output at the ter mi nals . The control circui ts receive
information from the front panel and send information to the display . Similarly
the control circuits ‘’talk’’ to t he remote interfa ce for input and output with the
GPIB and RS-232 interfaces. The remote interface is at earth ground and
optically is olated from the control circui t and the power supply.
Figure 7-2. Block Diagram of the Power Supply Showing the Optical Isolation
GPIB
RS-232
OPTICAL
ISOLATION
POWER
SUPPLY
OUTPUT
CONTROL
DISPLAY
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