Introduction - Racal Instruments 5601 User Manual

5601 User's Manual
Model 5601 is a 3U single-slot, PXI-based power amplifier. The

Introduction

amplifier is used for signal amplification purposes. Offering
unprecedented signal purity, Model 5601 amplifies signals from
DC to over 20 MHz. The unit has a fixed gain of 10. However,
one may order the same amplifier with custom gain without
jeopardizing signal purity or amplifier performance.
A common problem with PXI equipment is the inability to
produce high voltages, which results from low power supply
rails. For example, waveform generators, and similar signal
source devices, draw power from ±12V rails. Consequently,
they cannot produce signals above 16Vp-p. Model 5601 solves
this problem by using DC/DC converters to increase rail voltage
to ±24V. In turn, the increase of rail voltage, plus custom
components and unique design, permits amplification of input
signals to 40Vp-p into high impedance loads, or 20Vp-p into
50W. The power amplifier draws current only from the +5V rail,
leaving the other power supply rails free to supply their full
rated current to other devices.
Model 5601 is available with floating input and output
connectors. With this option, the amplifier can float from ground
level up to 250VDC. The only limiting factor is that both the
input and output grounds must connect to the same level. This
capability is important in applications where the amplifying
device must reside at the same ground level as its source. The
floating capability can be added or removed using a user-
accessible jumper connection.
The wideband amplifier occupies just one PXI slot. However, its
performance is unique and outstanding by any standards. With
40Vp-p and over 20MHz bandwidth, one can use Model 5601
in a wide range of applications.
Racal Instruments Ó 2003
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