2YHUYLHZ
DESCRIPTION
2YHUYLHZ
The AP034 is a wide-band, active differential pr obe. The probe
features low noise, low input capacitance, high common mode
rejection, and Field Effect Tr ansistor (FET ) buffer ed inputs in the
probe head. The user-selectable offset gives the probe the
flexibility to measure a large range of signal types. Plug-on
attenuators and AC coupling accessories further extend the
application range. Included interconnect accessories allow
connection to surface mount and through-hole com ponents with
minimal signal degradation. The input receptacles in the probe
head are compatible with standard 0.025 in. (0.635 m m) square
pins, which provide a convenient, low-cost method of creating
device characterization test fixtures.
The probe is powered directly from a LeCroy oscilloscope
through the ProBus interface. T he ProBus interface also allows
local control of the probe through the os cilloscope user interface
and remote control through the inter face buses, (G PIB, RS-232).
The optional ADPPS power supply allows the AP034 to be used
with other instruments such as spectrum analyzers, network
analyzers, and oscilloscopes without ProBus interface.
APPLICATIONS
The AP034 Active Differential Probe is ideal for acquiring highspeed differential signals su ch as those found in disk drive read
channels, differential LAN, video, etc. The probe can be used
with spectrum analyzers to acquire signals in some RF systems
(for example, balanced IF mixers in hand-held cellular
telephones). The high impedance characteristics of both inputs
allow you to use the probe as an FET probe to make singleended measurements in digital systems without introducing a
ground loop, as a conventional FET probe would.
AP034-OM-E Rev D ISSUED: January 2000 ²
CONVENTIONS USED IN THIS MANUAL
The following conventions may appear in this manual:
$3$FWLYH3UREH
Note
A Note contains general information relating to
the use of the product.
Caution
A Caution contains information that should to be
followed to avoid possible damage to the
instrument or the device under test.
WARNING
A Warning alerts you to potential injury to
yourself. Failing to adhere to the statement in a
WARNING message could result in bodily injury.
The following symbol may appear on the product:
This symbol refers you to additional information contained in this
manual. The corres ponding inform ation in the m anual is denoted
with the same symbol.
CAT I Overvoltage Installation Category per EN 61010-1
# # #
² ISSUED: January 2000 AP034-OM-E Rev D
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