Agilent Technologies B2902 Instrukcja Użytkownika Pobierz pdf (Strona 18)

The general trend in electronics is for

equipment and devices to become

smaller, integrated and more portable.

More intelligence, integration and

miniaturization are demanded along

with lower power consumption to

maximize battery life. Researchers,

designers and developers pursuing

the innovations and breakthroughs

needed to develop these next-

generation devices typically require

basic equipment such as power

supplies and sources for this work.

Therefore, the power supplies and

sources used by these innovators

also need to possess features

advanced enough to meet the difficult

measurement challenges they often

face. The Agilent B2900A series of

precision instruments includes two

next generation of power supply/

source solutions that meet these

needs: the B2961A 6.5 Digit Low

Noise Power Source 1ch and the

B2962A 6.5 Digit Low Noise Power

Source 2ch. These products achieve

best in class precision, support wide

bipolar output ranges and have an

extremely low noise floor. They also

possess graphing capability and other

advanced features. This makes them

ideal companion products for other

instruments such as oscilloscopes,

network analyzers, spectrum analyz-

ers, frequency counters, digital multi

meters, nano-voltmeters, etc.

The world’s only 6.5 digit source with

a bipolar range of 100 nV to 210 V

and 10 fA to 10.5 A

The Agilent B2961A/B2962A Power

Source has broad voltage (up to

±210 V) and current (up to ±3 A DC

and±10.5 A pulsed) sourcing ranges

and excellent 6.5 digit resolution

(minimum 100 nV/10fA program

resolution). Unlike a typical power

supply/source, it supports 4-quardant

operation that gives you the freedom

to accurately and precisely supply any

voltage or current contained within its

ranges regardless of polarity.

Noise floor of 10 μVrms (1 nVrms /

@10 kHz) outperforms even linear

power supplies

Low noise performance is required

for the development of noise sensi-

tive devices such as VCOs (voltage

controlled oscillators), ADC/DAC,

new material based components, etc.

However, conventional power sup-

plies and sources have not been able

to achieve the noise level required

for these applications. The Agilent

B2961A/B2962A supports an optional

external low noise filter that enables

ultra-low noise performance down

to 10 μVrms and 1nVrms/

(at 10

kHz), providing unparalleled low noise

performance in a low-cost bench-top

power source.

Innovative sourcing capabilities

enable test and evaluation not

possible with conventional power

supplies and sources

The Agilent B2961A/B2962A sup-

ports a number of innovative sourcing

capabilities for test and evaluation

that are not available on conventional

power supplies and sources. For

example, the Agilent B2961A/B2962A

has the ability to generate not only

DC signals but also pulsed, swept and

arbitrary waveforms (1 mHz to 10 kHz)

in both voltage and current. Its arbi-

trary waveform generation capability

supports common waveform types

such as sine, ramp, square, etc. in

addition to user-defined waveforms.

The Agilent B2961A/B2962A also

supports an advanced programmable

output resistance feature that allows

you to specify either a particular

output resistance or a specific voltage

versus current source characteristic.

This feature is ideal for emulating

a wide variety of devices (such as

batteries, photovoltaic cells, sensors,

transducers, etc.) that are otherwise

difficult to simulate.

Finally, the Agilent B2961A/B2962A

has a 4.3 inch wide LCD display and

all of its capabilities are accessible

from its front-panel graphical user

interface (GUI). The graphical display

not only simplifies user-operation, but

it also facilitates viewing measure-

ment results. With the built-in 4.5

digit voltage and current monitoring

capability, you can check the output

voltage or current graphically by

the time domain voltage/current

waveform viewer. This permits quick

checking and debugging of measure-

ment results without the need for

additional equipment.

Introduction

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