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Related Manuals for pico Technology PicoSource PG900 Series
Summary of Contents for pico Technology PicoSource PG900 Series
- Page 1 Pulse Generators User's Guide pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. Distributed by: dataTec ▪ Ferdinand-Lassalle-Str. 52 ▪ 72770 Reutlingen ▪ Tel. 07121 / 51 50 50 ▪ Fax 07121 / 51 50 10 ▪ info@datatec.de ▪ www.datatec.de...
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Page 3: Table Of Contents
7 External trigger ..........................32 8 Trigger output ..........................35 9 Display scaling ..........................36 1 Vertical Scale ........................36 2 Horizontal Scale ........................38 10 Undo/Redo ............................ 40 11 Main Menu ............................. 40 Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... - Page 4 3 Drive output with tunnel diode pulse heads ..................45 4 Timing .............................. 46 5 External trigger input ........................47 6 Trigger output ..........................48 7 General ............................49 7 Declaration of Conformity ......................50 Index ............................51 pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved.
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Page 5: Introduction
PicoSource PG900 Series User's Guide Introduction Overview The PicoSource PG900 Series instruments are PC-based fast-edge pulse generators that are fully compatible with USB 2.0 and 3.0 PCs. The pulse generators are available in three differential output models and offer extensive control over pulse parameters including amplitude, period, width and deskew between output channels. -
Page 6: Minimum Pc Requirements
A WARNING identifies conditions or practices that could result in injury or death. A CAUTION identifies conditions or practices that could result in damage to the product or equipment to which it is connected. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 7: Symbols
To prevent injury or death use the product only as instructed and use only accessories supplied or recommended. Protection provided by the product may be impaired if used in a manner not specified by the manufacturer. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 8: Maximum Input/Output Ranges
Applying a voltage to the ground input is likely to cause permanent damage to the instrument, the attached computer, and other equipment. CAUTION To prevent signal degradation caused by poor grounding, always use the high-quality USB cable supplied with the instrument. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 9: External Connections
Take care to avoid mechanical stress or tight bend radii for all connected leads, including all coaxial leads and connectors. Mishandling will cause deformation of sidewalls, and will degrade performance. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 10: Environment
When cleaning the product, use a soft cloth and a solution of mild soap or detergent in water, and do not allow liquids to enter the instrument's casing. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 11: Software Licence Conditions
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. -
Page 12: Trademarks
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, willful damage, negligence, abnormal working conditions... -
Page 13: Product Information
TA172 (fitted to TD pulse heads) 10 GHz 20 dB SMA(m-f) attenuator (2) TA173 (fitted to SRD pulse outputs) 50 Ω coaxial SMA(m-m) pulse drive – cable, 60 cm (2) Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 14: Connections
· Drive 2 output connected to tunnel diode pulse head · Trigger output. Connect to an external unit. This connector sends a single-ended voltage pulse. · Trigger input. Connect an external signal for external triggering. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 15 · DC power input. Always use with the AC adaptor supplied with the unit · USB 2.0 port. Use a USB cable to connect the pulse generator to your computer. · Ground (chassis) terminal Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 16: How To Use Your Pulse Generator
PicoSource PG914. Signal connections should be made using precision SMA cables unless otherwise specified. Trigger connections can be made using lower grade cables. Diagram key pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 17: Tdr Applications
TD pulse head outputs Connections between the pulse generator and the TD pulse heads (PicoSource PG912 and PG914 models only) should be made using the 60 cm coaxial SMA(m-m) cable supplied. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 18: Tdt Applications
PicoScope 9300 models. Single-ended and differential connections for TDT testing, using a PicoSource pulse generator with SRD outputs pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 19: Tdt And Crosstalk
PicoSource PG900 pulse generators can be used with a PicoScope 9341 four-channel sampling oscilloscope for simultaneous time domain transmission (TDT) and crosstalk assessment. Single-ended and differential connections for simultaneous TDT and crosstalk assessment, using a PicoSource pulse generator with SRD outputs Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 20: Free-Running Operation For Srd Integrated Pulse Outputs
Set the desired Limit of output amplitude, from 2.5 V to 6 V, to protect the device under test. The change needs to be confirmed whenever the limit is increased. Set the desired output Amplitude from 2.5 V to 6 V. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 21 Under Pos Out vs. Neg Out, select Separate or Paired. With Separate, Limit and Amplitude controls change separately for positive and negative outputs. With Paired, both Limit and Amplitude controls change together for positive and negative outputs. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 22: Free-Running Operation For Td Outputs
On. Repeat step 4 for negative TD output. Under Deskew set the desired delay value which can be set up to 500 ps for each channel. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 23: External Trigger Operation
When you adjust the Holdoff control, the amount of time that the generator waits before re-arming the trigger circuitry also changes. This allows you to provide stable trigger up to 1 GHz. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 24: Single Trigger Operation
In the Trigger menu, click Manual. Click Ready. Now the generator is armed to respond to any defined trigger signal. Each click of this button causes a new arming state of the pulse generator. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 25: Picosource Pg900 Software
PicoSource PG900 Series User's Guide PicoSource PG900 software The PicoSource PG900 software interface provides easy access to controls for all of the pulse generator's features and functions. Areas of the software interface Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 26: Display Area
· TD Head2 Output Waveform · Vertical Scale for Trigger Output · Vertical Scale for Positive and Negative Outputs · Vertical Scale for TD Head Outputs · Horizontal Scale · Intensified Zone pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 27: Intensified Zone
2. All waveforms are shown on a 50 ns/div Middle Horizontal Scale, expanded from the Long Horizontal Scale. Intensified zone now has a 100 ns duration. 3. All waveforms are shown on a 10 ns/div Short Horizontal Scale (expanded Middle Horizontal Scale). Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 28: Positive And Negative Pulse Outputs
These controls select menus based on SRD technologies for the PicoSource PG911 and PG914. Each menu includes the options outlined below. Positive Output (left) and Negative Output (right) menus Click On to turn the selected output on or off. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 29 • Separate - Positive Output and Negative Output operate as entirely separate outputs. Their Amplitude and Limit variables can be controlled separately. • Paired - Positive Output and Negative Output operate together. Their Amplitude and Limit variables are controlled simultaneously. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 30: Tunnel Diode Pulse Head Outputs
· Dual-channel pulse generator with two TD pulse heads having opposite polarity. · Dual-channel pulse generator with two TD pulse heads having the same polarity. In this case you should request an additional TD head. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 31 Set the Deskew between output in the range of 0 ps to 500 ns. Adjustable in a 20 ps coarse increment or in 1 ps fine increment. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 32: Tunnel Diode Pulse Head Controls
Set the Deskew between output in the range of 0 ps to 500 ps. Adjustable in 20 ps coarse increments or in 1 ps fine increments. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 33: Mode
Click Single to generate one pulse period when the Int Clock is selected from the Period Source. Ready Click Ready to arm the instrument to generate one pulse period when the Ext Trigger is selected from the Period Source. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 34: Timing
Period. The period value can be set from 1 µs to 1 s, adjustable in 1-2- 5-10 coarse increments or 200 ns fine increments. Guide User Interface showing timing relations pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 35 The generators provide deskew between output channels for both SRD and TD technologies. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 36: External Trigger
PicoSource pulse generator generates all outputs and trigger output as a single pulse on every trigger period (triggered). Timing diagram for external triggered mode (2 µs period of external signal) pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 37 · Delay between external trigger input and trigger output: near 4 ns. · Delay between trigger output and SRD outputs: near 40 ns. · Delay between trigger output and TD Head output: near 42 ns. Timing relations between different signals Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
- Page 38 The Holdoff range is from 1 µs to 1 s in a 1-2-5-10 sequence. When fine mode is on, you can change holdoff time in increments of up to 200 ns. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved.
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Page 39: Trigger Output
This pulse is delayed by approximately 4 ns from the external trigger input. It also has a lead time of near 40 ns to the SRD outputs, and near 42 ns to the TD Head output. Use this signal to pretrigger your sampling oscilloscope. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 40: Display Scaling
With Common selected any displayed output waveforms are superimposed on top of each other, while the trigger output is displayed separately above the scale (as shown below). Common Vertical Scale display pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 41 With Separate selected, the two output waveforms that belong to SRD technology, the two output waveforms that belong to TD technology, and the trigger output are all displayed separately on three vertical scales (as shown below). Separate Vertical Scale display Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 42: Horizontal Scale
The Horizontal Scale menu includes three different options. With Short selected the horizontal scale is optimized to show the timing relationships between pulse edges on all waveforms (as shown below). Short Horizontal Scale display pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. - Page 43 PicoSource PG900 Series User's Guide With Middle selected the horizontal scale is optimized to show the pulse width of all waveforms (as shown below). Middle Horizontal Scale display Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1...
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Page 44: Undo/Redo
Main Menu The Main Menu provides access to commands that control all of the instrument features and functions. When you select a feature setup command, the instrument displays the associated menus. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 45: Theory Of Operation
PicoSource PG900 Series User's Guide Theory of operation PicoSource PG900 block diagram PicoSource PG900 hardware overall block diagram Green: all models Gold: PicoSource PG911 and PG914 only Yellow: PicoSource PG912 and PG914 only Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 46: Hardware Components For Picosource Pg900 Models
Controls peak current and timing diagram of TD 1. TD drive 2 Controls peak current and timing diagram of TD 2. TD pulse heads Two pulse heads with any selected polarity having leading edge faster than 40 ps. pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 47: Specifications And Characteristics
Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 48: Integrated Step Recovery Diode Outputs
Range Differential: 2 ns p-p typ Resolution Adjustable in a 20 ps coarse increment 1 ps fine increment Delay, trigger (48 ± 2) ns, fixed output-to- output Output SMA(f) connector pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 49: Drive Output With Tunnel Diode Pulse Heads
Adjustable in a 20 ps coarse increment, 1 ps fine increment Delay, trigger (42 ± 2) ns, fixed output-to- output Output N, male. Pulse Heads come standard with one N(f)-SMA(m) connector adaptor. Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 50: Timing
150 ppm of pulse width or less Delay, trigger output-to- output Tunnel diode (42 ± 2) ns, fixed. outputs With cable included Step recovery (48 ± 2) ns, fixed (48 ± 2) ns, fixed diode outputs pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 51: External Trigger Input
5 µs: > 20 ms to 40 ms, 10 µs: > 40 ms to 85 ms, 20 µs: > 85 ms to 170 ms, 50 µs: > 170 ms to 1 s Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 52: Trigger Output
± 100 mV or less Pulse width (500 ± 100) ns @ 50 Ω Transition time 10%–90% 400 ps or less @ 50 Ω 20%–80% 300 ps or less @ 50 Ω Connector SMA(f) pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 53: General
(temperature of calibration) ± 5 °C for stated specifications Operating humidity Up to 85 % relative humidity (non-condensing) at +35°C range Storage humidity Up to 95 % relative humidity (non-condensing) range Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... -
Page 54: Declaration Of Conformity
Declaration of Conformity Declaration of Conformity pg900ug.en r1 Copyright © 2016 Pico Technology. All rights reserved. -
Page 55: Index
TDT connections Temperature Horizontal scaling Timing controls Humidity Trademarks Trigger output Tunnel diode pulse heads Intensified zone Undo/Redo USB connection Kit contents Vertical scaling License conditions Warranty Main menu Memory Copyright © 2016 Pico Technology. All rights reserved. pg900ug.en r1... - Page 56 2016-02-03 Copyright © 2016 Pico Technology. All rights reserved. Distributed by: dataTec ▪ Ferdinand-Lassalle-Str. 52 ▪ 72770 Reutlingen ▪ Tel. 07121 / 51 50 50 ▪ Fax 07121 / 51 50 10 ▪ info@datatec.de ▪ www.datatec.de...
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