Pico Picoscope 2200 series User manual

PicoScope 2200 Series

User's Guide

ps2200.en-1

PC Oscilloscopes

IPicoScope 2200 Series User's Guide

Contents

.....................................................................................................................................11 Welcome

.....................................................................................................................................22 Introduction

...........................................................................................................................................2

1 Using this guide

...........................................................................................................................................2

2 Safety symbols

...........................................................................................................................................2

3 Safety warning

...........................................................................................................................................3

4 Regulatory notices

...........................................................................................................................................3

5 Software licence conditions

...........................................................................................................................................5

6 Trademarks

...........................................................................................................................................5

7 Warranty

...........................................................................................................................................5

8 Company details

.....................................................................................................................................63 Product information

...........................................................................................................................................6

1 Model selector

...........................................................................................................................................6

2 Pack contents

...........................................................................................................................................6

3 System requirements

...........................................................................................................................................7

4 Installation instructions

...........................................................................................................................................8

5 Connections

...........................................................................................................................................8

1 Connector diagrams (PicoScope 2204 to 2205)

...........................................................................................................................................8

2 Connector diagrams (PicoScope 2206 to 2208)

...........................................................................................................................................9

3 Signal inputs

...........................................................................................................................................9

4 Compensating probes

...........................................................................................................................................9

5 AWG connector

...........................................................................................................................................9

6 EXT connector

...........................................................................................................................................10

7 USB port

.....................................................................................................................................114 Glossary

.....................................................................................................................................135 Appendix A: Declarations of Conformity

..............................................................................................................................................15

Index

PicoScope 2200 Series User's Guide 1

1 Welcome

The PicoScope 2200 Oscilloscopes are compact units

designed to replace traditional bench-top oscilloscopes costing

many times the price.

Here are some of the benefits provided by your PC Oscilloscope:

Portability: Take the unit with you and plug it in to any Windows PC.

Performance: Fast sampling from 100 MS/s to to 1 GS/s, probe-tip bandwidths

from 10 MHz to 200 MHz and fast USB 2.0 interface. See Model Selector for

details of each scope model.

Flexibility: Use it as an oscilloscope, spectrum analyzer, or high-speed data

acquisition interface.

Programmability: The PicoScope 2000 series APIs allow you to write your own

programs, in your chosen programming language, to control all the features of the

scope.

Long-term support: Software upgrades are available to download from our

website. You can also call our specialists for technical support. You can continue

to use both of these services free of charge for the lifetime of the product.

Value for money: Buying a PicoScope PC Oscilloscope means that you don't have

to pay twice for all the features that you already have in your PC. The PicoScope

2200 Series oscilloscope contains the special hardware you need and nothing more.

Convenience: The software makes full use of the display, storage, user interface

and networking built in to your PC.

Dependability: Your scope is backed by a 5-year warranty against manufacturing

faults.

Additional information

For full technical specifications, see the following brochure and data sheet:

For PicoScope models 2204 to 2208:

PicoScope 2000 Series Data Sheet (MM012)

The following manuals explain how to use the Application Programming Interface

(API) to control a PicoScope 2200 Series Oscilloscope:

For PicoScope models 2204 to 2205:

PicoScope 2000 Series Programmer's Guide

For PicoScope models 2206 to 2208:

PicoScope 2000 Series (A API) Programmer's

Guide

These documents are available from http://www.picotech.com.

Introduction2

2 Introduction

2.1 Using this guide

In this guide you will see symbols like this: This is the cross-reference symbol,

and it indicates the number of a page on which you can find more information about a

topic.

2.2 Safety symbols

The following symbols appear on the top of the PicoScope 2200 Series oscilloscopes:

Symbol 1: Warning triangle

This symbol indicates that a safety hazard exists on the indicated

connections if correct precautions are not taken. Read all safety

documentation associated with the product before using it.

Symbol 2: Equipotential

This symbol indicates that the outer shells of the indicated BNC

connectors are connected together. You must therefore take

necessary precautions to avoid applying a voltage across the shells

of the indicated BNC connectors. Such a voltage could cause a large

current to flow, resulting in damage to the oscilloscope and other

connected equipment.

2.3 Safety warning

We strongly recommend that you read the general safety information below before

using your oscilloscope for the first time. Safety protection built in to equipment may

cease to function if the equipment is used incorrectly. This could cause damage to

your computer, or lead to injury to yourself and others.

Maximum input range. The PicoScope 2200 Series oscilloscopes are designed to

measure voltages in the range -20 V to +20 V. The Ch A and Ch B inputs are

protected to ±100 V. Contact with voltages outside the protection range may cause

permanent damage to the unit.

Mains voltages. These products are not designed for use with mains (line) voltages.

To measure mains, use a differential isolating probe specifically designed for mains

voltages.

Safety grounding. The PicoScope 2200 Series oscilloscopes connect directly to the

ground of a computer through the USB cable provided to minimise interference.

As with most oscilloscopes, avoid connecting the ground input to any potential other

than ground. If in doubt, use a meter to check that there is no significant AC or DC

voltage between the ground input of the oscilloscope and the point to which you

intend to connect it. Failure to check may cause damage to your computer or injury to

yourself and others.

The product does not have a protective safety ground.

Repairs. The oscilloscope contains no user-serviceable parts. Repair or calibration of

the oscilloscope requires specialised test equipment and must be performed by Pico

Technology.

PicoScope 2200 Series User's Guide 3

2.4 Regulatory notices

FCC Notice

This equipment has been tested to meet CFR47 (2006) Part 15 of the FCC limits

for Class A equipment. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio frequency energy

and, if not installed and used in accordance with the instruction manual, may cause

harmful interference to radio communications. Operation of this equipment in a

residential area is likely to cause harmful interference in which case the user will be

required to correct the interference at his or her own expense.

For safety and maintenance information see the safety warning .

CE Notice

The PicoScope 2200 PC Oscilloscopes meet the intent of the EMC directive 89/336/

EEC and have been designed and tested to EN61326-1 (2006) Class A Emissions

and Immunity standard.

The PicoScope 2200 PC Oscilloscopes also meet the intent of the Low Voltage

Directive and have been designed to meet the BS EN 61010-1:2001 IEC 61010-

1:2001 (Safety requirements for electrical equipment for measurement, control and

laboratory use) standard.

2.5 Software licence conditions

The software supplied with this product is licensed, not sold. Pico Technology Limited

grants a licence to the person who installs this software, subject to the conditions

listed below.

Access. The licensee agrees to allow access to this software only to persons who have

been informed of these conditions and agree to abide by them.

Usage. The software in this release is for use only with Pico products or with data

collected using Pico products.

all material (software, documents etc.) contained in this release. You may copy and

distribute the entire release in its original state, but must not copy individual items

within the release other than for backup purposes.

Liability. Pico Technology and its agents shall not be liable for any loss, damage or

injury, howsoever caused, related to the use of Pico Technology equipment or

software, unless excluded by statute.

Fitness for purpose. Because no two applications are the same, Pico Technology

cannot guarantee that its equipment or software is suitable for a given application. It

is your responsibility, therefore, to ensure that the product is suitable for your

application.

Mission-critical applications. This software is intended for use on a computer that

may be running other software products. For this reason, one of the conditions of the

licence is that it excludes usage in mission-critical applications; for example, life-

support systems.

Viruses. This software was continuously monitored for viruses during production, but

you are responsible for virus-checking the software once it is installed.

Introduction4

Support. If you are dissatisfied with the performance of this software, please contact

our technical support staff, who will try to fix the problem within a reasonable time. If

you are still dissatisfied, please return the product and software to your supplier

within 14 days of purchase for a full refund.

Upgrades. We provide upgrades, free of charge, from our web site at www.picotech.

com. We reserve the right to charge for updates or replacements sent out on physical

media.

PicoScope 2200 Series User's Guide 5

2.6 Trademarks

Windows is a registered trademark of Microsoft Corporation in the USA and other

countries.

Pico Technology Limited and PicoScope are trademarks of Pico Technology,

registered in the United Kingdom and other countries.

PicoScope and Pico Technology are registered in the U.S. Patent and Trademark

Office.

2.7 Warranty

Pico Technology warrants upon delivery, and for a period of 5 years unless otherwise

stated from the date of delivery, that the Goods will be free from defects in material

and workmanship.

Pico Technology shall not be liable for a breach of the warranty if the defect has been

caused by fair wear and tear, wilful damage, negligence, abnormal working conditions

or failure to follow Pico Technology's spoken or written advice on the storage,

installation, commissioning, use or maintenance of the Goods or (if no advice has

been given) good trade practice; or if the Customer alters or repairs such Goods

without the written consent of Pico Technology.

2.8 Company details

Address:

Pico Technology

James House

Colmworth Business Park

St. Neots

Cambridgeshire

PE19 8YP

United Kingdom

Phone:

+44 (0) 1480 396 395

Fax:

+44 (0) 1480 396 296

Email:

Technical Support:

[email protected]

Sales:

[email protected]

Web site:

www.picotech.com

Product information6

3 Product information

3.1 Model selector

Model

PicoScope

2204

PicoScope

2205

PicoScope

2206

PicoScope

2207

PicoScope

2208

Number of channels

Vertical resolution

8 bits

Analog bandwidth

10 MHz

25 MHz

50 MHz

100 MHz

200 MHz

Maximum sampling rate

Real-time, one channel

in use

100 MS/s

200 MS/s

500 MS/s

1 GS/s

Real-time, two channels

in use

50 MS/s

100 MS/s

250 MS/s

500 MS/s

Equivalent-time (ETS)

2 GS/s

4 GS/s

5 GS/s

10 GS/s

Buffer size (shared

between enabled

channels)

8 k

16 k

24 k

32 k

40 k

Dimensions (including

connectors)

150 x 100 x 37 mm

(5.9 x 3.9 x 1.5 in.)

200 x 140 x 40 mm

(7.9 x 5.5 x 1.6 in.)

Full specifications are listed in the PicoScope 2000 Series datasheet, available on

our website.

3.2 Pack contents

Your PicoScope 2200 Series oscilloscope package contains the following items:

Reorder

code

Quantity

Description

PicoScope 2200 Series oscilloscope

MI106

USB cable, for connection to the USB port on your PC

DI042

Software and Reference CD, with PicoScope software, drivers

, and example programs.

DO115

USB Oscilloscope Installation Guide

3.3 System requirements

To ensure that your PicoScope 2200 Series oscilloscope operates correctly, you must

have a computer with at least the minimum system requirements to run one of the

supported operating systems, as shown in the following table. The performance of the

software will increase with more powerful PCs, including those with multi-core

processors.

Item

Absolute

minimum

Recommended

minimum

Recommended

full specification

Operating system

Windows XP SP2 or later, Windows Vista or Windows 7

32-bit or 64-bit

Processor

As required

by Windows

300 MHz

1 GHz

Memory

256 MB

512 MB

Free disk space[1]

1 GB

2 GB

Ports

USB 1.1 compliant port

USB 2.0 compliant port

Note 1: The PicoScope software does not use all the disk space specified in the table.

The free space is required to make Windows run efficiently.

PicoScope 2200 Series User's Guide 7

3.4 Installation instructions

IMPORTANT

Do not connect your oscilloscope to the PC before you have installed the Pico

software.

If you do, Windows might not recognise the scope device correctly.

Procedure

Follow the instructions in the Installation Guide included with your product

package.

Connect your PC Oscilloscope to the PC using the USB cable supplied.

Checking the installation

Once you have installed the software and connected the PC Oscilloscope to the PC,

start the PicoScope software. PicoScope should now display any signal connected to

the scope inputs. If a probe is connected to your oscilloscope, you should see a small

50 or 60 hertz noise signal in the oscilloscope window when you touch the probe tip

with your finger.

Moving your PicoScope PC Oscilloscope to another USB port

Windows XP SP2

When you first installed the oscilloscope by plugging it into a USB port, Windows

associated the Pico driver with that port. If you later move the oscilloscope to a

different USB port, Windows will display the "New Hardware Found Wizard" again.

When this occurs, just click "Next" in the wizard to repeat the installation. If Windows

gives a warning about Windows Logo Testing, click "Continue Anyway". As all the

software you need is already installed on your computer, there is no need to insert the

Pico Software CD again.

Windows Vista and Windows 7

The process is automatic. When you move the device from one port to another,

Windows displays an "Installing device driver software" message and then a

"PicoScope 2000 series PC Oscilloscope" message. The PC Oscilloscope is then ready

for use.

Product information8

3.5 Connections

3.5.1 Connector diagrams (PicoScope 2204 to 2205)

A. Input channel A

B. Input channel B

C. Signal generator output

D. LED: shows when the oscilloscope is sampling data

E. USB port

3.5.2 Connector diagrams (PicoScope 2206 to 2208)

A. Input channel A

B. Input channel B

C. EXT trigger input

D. Signal generator output

E. LED: shows when the oscilloscope is sampling data

F. USB port

PicoScope 2200 Series User's Guide 9

3.5.3 Signal inputs

The PicoScope 2200 Series oscilloscopes have BNC oscilloscope connectors. The

inputs have an impedance of 1 M , so they are compatible with all standard scope

probes including x10 attenuated types.

3.5.4 Compensating probes

We recommend that you compensate each oscilloscope probe before using it with your

PicoScope. Compensation instructions specific to the probe are included in the leaflet

supplied with the probe.

Connecting a probe for compensation

1. Connect your probe to the signal generator

output as shown on the right.

2. Run the PicoScope software.

3. Click the AWG button and set the AWG to

generate a 1 kHz 1 volt square wave.

4. Follow the compensation (or 'trimming')

instructions in the probe leaflet.

3.5.5 AWG connector

The AWG connector (labelled GEN or Signal Out on some oscilloscopes) on the front

panel carries the output of the oscilloscope's built-in signal generator, which can

generate a number of built-in waveforms, as well as arbitrary waveforms from a user-

defined table of data.

Instructions for use

If you are using the PicoScope 6 program, refer to the

PicoScope 6 User's Guide

for

information on how to configure the signal generator.

If you are writing your own software, refer to the relevant

Programmer's Guide

AWG output specifications

Refer to the PicoScope 2000 Series datasheet, available on our website.

3.5.6 EXT connector

The EXT (External) trigger input on some models can be used as a trigger source. The

trigger source is selected using the trigger drop-down menu in the PicoScope

software, or using a function call if you are writing your own software.

The EXT input uses dedicated circuitry with a software-configurable threshold to

detect a trigger signal. This has the advantage of freeing both analog channels for

viewing signals. However, if trigger timing accuracy and resolution are critical, we

recommend using the channel A or B input as the trigger source. These channels use

digital triggering, which is accurate to one sample period and has a vertical resolution

of 1 LSB.

Product information10

3.5.7 USB port

Connect the oscilloscope's USB port to your PC's USB 2.0 port using the USB cable

supplied. The oscilloscope will work if connected to a USB 1.1 port but will operate at

greatly reduced speed.

PicoScope 2200 Series User's Guide 11

4 Glossary

Analog bandwidth The frequency at which the measured signal amplitude is

3 decibels below the true signal amplitude.

Block mode—A fast data collection mode. The PicoScope software puts the

oscilloscope into this mode to achieve the fastest possible sampling rates. The

oscilloscope collects data as fast as possible and then stops to transfer the data to the

PC. During data transfer to the PC in block mode, the oscilloscope cannot sample data

from its inputs.

Buffer size The size of the oscilloscope's buffer memory, measured in samples. The

buffer allows the oscilloscope to sample data faster than it can transfer it to the

computer.

Coupling mode To switch from AC coupling to DC coupling, or vice versa, select AC

or DC from the control on the PicoScope toolbar. The AC setting filters out very low-

frequency components of the input signal, including DC, and is suitable for viewing

small AC signals superimposed on a DC or slowly changing offset. In this mode you

can measure the peak-to-peak amplitude of an AC signal but not its absolute value.

Use the DC setting for measuring the absolute value of a signal.

Device Manager Device Manager is a Windows program that displays the current

hardware configuration of your computer. On Windows XP or Vista, right-click on 'My

Computer,' choose 'Properties', then click the 'Hardware' tab and the 'Device Manager'

button.

Driver A program that controls a piece of hardware. The driver for the PicoScope

2000 Series PC Oscilloscopes is supplied in the form of 32-bit Windows DLLs, ps2000.

dll and ps2000a.dll. These are used by the PicoScope software to control the

oscilloscope.

ETS—Equivalent Time Sampling. Constructs a picture of a repetitive signal by

accumulating information over many similar wave cycles. This allows the oscilloscope

to create a composite cycle that has more samples, and therefore better time

resolution, than a single cycle. ETS cannot be used for one-shot signals.

Maximum sampling rate A figure indicating the maximum number of samples the

oscilloscope can acquire per second. The higher the sampling rate of the oscilloscope,

the more accurate the representation of the high-frequency details in a fast signal.

MS/s—Millions of samples per second. Used to quantify the sampling rate of an

oscilloscope.

Oversampling A technique for reducing noise in sampled signals. Measurements are

taken more frequently than the requested sample rate, and then merged to produce

the required number of samples. If, as is usually the case, the signal contains a small

amount of noise, this technique can increase the effective vertical resolution of the

oscilloscope.

PC Oscilloscope A virtual instrument formed by connecting a PicoScope oscilloscope

to a computer running the PicoScope software.

PicoScope software A software program that accompanies all Pico PC

Oscilloscopes. It turns your PC into an oscilloscope, spectrum analyser, and meter

display.

Glossary12

Signal generator Generates a waveform and outputs it on the BNC socket marked

AWG, GEN or Signal Out. This output can be used to drive a test signal through a

BNC cable into an external circuit or into one of the oscilloscope's input channels. The

PicoScope software allows the generator to output standard waveforms, such as sine

and square waves, or arbitrary waveforms defined by the user.

Streaming mode—A data collection mode in which the oscilloscope samples data and

returns it to the computer in a continuous stream. This mode allows the capture of

more data than will fit in the oscilloscope's memory buffer, at sampling rates above

1 million samples per second. The PicoScope program selects this mode for long

timebases to enable the capture of very long sets of data.

Timebase—A timer that controls the speed at which the scope device captures data.

At slow timebases this process is visible as PicoScope draws the trace across the scope

view from left to right, but at fast timebases PicoScope draws the whole trace in a

single operation. The timebase is measured in units of time (such as seconds) per

division. There are ten divisions across the scope view, so the total time across the

width of the view is ten times the "per division" setting.

USB 1.1 Universal Serial Bus (Full Speed). This is a standard port used to connect

external devices to PCs. A typical USB 1.1 port supports a data transfer rate of 12

megabits per second, so is much faster than an RS232 or 'COM' port.

USB 2.0 Universal Serial Bus (High Speed). This is a standard port used to connect

external devices to PCs. A typical USB 2.0 port supports a data transfer rate 40 times

faster than USB 1.1 when used with a USB 2.0 device, but can also be used with USB

1.1 devices.

Vertical resolution A value, in bits, indicating the precision with which the

oscilloscope converts input voltages to digital values. Oversampling (see above) can

improve the effective vertical resolution.

Voltage range The range of input voltages that the oscilloscope can measure. For

example, a voltage range of ±100 mV means that the oscilloscope can measure

voltages between -100 mV and +100 mV. Input voltages outside this range will not be

measured correctly, but will not damage the instrument as long as they remain within

the protection limits of ±100 V.

PicoScope 2200 Series User's Guide 13

5 Appendix A: Declarations of Conformity

Appendix A: Declarations of Conformity14

PicoScope 2200 Series User's Guide 15

Index

Analog bandwidth 6

Arbitrary waveform generator 9

AWG connector 9

Bandwidth (analog) 6

BNC connector 9

Buffer size 6

Calibration 2

CE notice 3

Company information 5

Connections 8

Contact details 5

Dimensions 6

Disk space 6

FCC notice 3

GEN connector 9

Grounding 2

Input range, maximum 2

Installation 7

LED 8

Mains voltages 2

Operating system 6

Oscilloscope probe 9

compensating or trimming 9

Pico Technical Support 5

PicoScope 2200 Series 1

PicoScope software 7

Processor 6

Regulatory notices 3

Repairs 2

Resolution, vertical 6

Safety

symbols 2

warning 2

Sampling rate 6

Scope probe 9

Signal generator 9

output 9

Signal Out connector 9

Software licence conditions 3

System memory 6

System requirements 6

Technical support 5

Test equipment 2

Trademarks 5

USB port

changing 7

connecting 10

requirements 6

Vertical resolution 6

Warranty 5

Windows, Microsoft 6

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