Highland T560 User manual

T560

DIGITAL

DELAY

GENERATOR

Technical Manual

February 13, 2019

2 T560MANK5.DOCX

650 Potrero Avenue, San Francisco, CA 94110

Phone 415-551-1700 • Fax 415-551-5129

www.highlandtechnology.com

NOTICE

HIGHLAND TECHNOLOGY, INC. PROVIDES THIS PUBLICATION “AS IS” WITHOUT

WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT

LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE.

(Disclaimer of expressed or implied warranties in certain transactions is not allowed in

some states. Therefore, the above statement may not apply to you.)

This manual may contain technical inaccuracies and/or typographical errors. Changes are

periodically made to this manual which are incorporated in later editions. Highland

Technology, Inc. may make changes and improvements to the product(s) and/or programs

described in this publication at any time without notice.

The T560 has finite failure rates associated with its hardware, firmware, design, and

documentation. Do not use the product in applications where a failure or defect in the

instrument may result in injury, loss of life, or property damage.

IN NO EVENT WILL HIGHLAND TECHNOLOGY, INC. BE LIABLE FOR DAMAGES,

INCLUDING LOST PROFITS, LOST SAVINGS OR OTHER INCIDENTAL OR

CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO USE

SUCH PRODUCT, EVEN IF HIGHLAND TECHNOLOGY, INC. OR AN APPROVED

RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR

ANY CLAIM BY ANY OTHER PARTY.

3 T560MANK5.DOCX

TableofContents

1.Introduction ....................................................................................................................6

2.Specifications: T560 Delay/Pulse Generator .................................................................8

3.Overview of the T560...................................................................................................10

3.1.Standard Packaging ..............................................................................................10

3.2.Overall Block Diagram ...........................................................................................10

3.3.Crystal Oscillator Timebase ...................................................................................11

3.4.Trigger Inputs.........................................................................................................12

3.5.Burst Logic.............................................................................................................13

3.6.Pulse Outputs ........................................................................................................14

3.7.Gate I/O .................................................................................................................17

3.8.Communications and Control.................................................................................17

3.9.Connectors ............................................................................................................17

3.10.Power Input ........................................................................................................17

3.11.Custom Logic......................................................................................................18

3.12.Indicators............................................................................................................18

4.Programming ...............................................................................................................19

4.1.General Comments................................................................................................19

4.2.Command Strings ..................................................................................................19

4.3.Command Structure...............................................................................................21

4.4.Realtime Issues .....................................................................................................21

4.5.T560 Command Summary.....................................................................................23

4.6.Command Details ..................................................................................................25

4.6.1.CHANNEL SET COMMANDS.........................................................................25

4.6.2.TRIGGER SETUP COMMANDS.....................................................................26

4.6.3.SYNTHESIZE COMMAND..............................................................................27

4.6.4.BURST COMMANDS......................................................................................27

4.6.5.GATE COMMANDS ........................................................................................27

4.6.6.CLOCK COMMANDS......................................................................................28

4.6.7.FEOD COMMAND ..........................................................................................29

4.6.8.SAVE, RECALL, LOAD COMMANDS.............................................................29

4.6.9.USEC, WAIT, IRQ, SHOTS, TEMP COMMANDS ..........................................29

4.6.10.IDENTIFY COMMAND.................................................................................29

4.6.11.ERRORS COMMAND..................................................................................29

4.6.12.VERBOSE COMMAND................................................................................30

4.6.13.HELP COMMANDS .....................................................................................30

4.6.14.STATUS COMMAND...................................................................................30

4.6.15.RSET COMMAND .......................................................................................31

4.7.Firmware Upgrade Procedure................................................................................31

5.Powerup States and Saved Setups .............................................................................32

6.Xport Ethernet Module Setup.......................................................................................33

6.1.DHCP.....................................................................................................................33

6.2.Static IP Assignment..............................................................................................33

6.3.Factory XPort Settings ...........................................................................................34

7.Jitter Notes...................................................................................................................38

8.Dimensions and Mounting ...........................................................................................41

9.Demo Software ............................................................................................................45

4 T560MANK5.DOCX

10.Versions ....................................................................................................................46

11.Revision History ........................................................................................................47

11.1.Hardware Revisions ...........................................................................................47

11.2.Firmware Revisions ............................................................................................48

12.Accessories...............................................................................................................49

5 T560MANK5.DOCX

TableofFigures

Figure 3-1 T560 Basic Block Diagram ................................................................................11

Figure 3-2 Trigger and Sequencing Logic...........................................................................13

Figure 3-3 Typical T560 channel outputs into 50 ohms. Risetime is 640 ps. .....................14

Figure 3-4 Output rising edge, 100 ps delay steps.............................................................15

Figure 3-5 Trigger and output pulses, widths 4ns, 3 ns, 2 ns, and 1.5 ns ...........................16

Figure 4-1 Typical T560 Status Report ...............................................................................31

Figure 6-1. Lantronix DeviceInstaller Main Screen .............................................................33

Figure 6-2. IP address assignment pane. ...........................................................................34

Figure 6-3. XPort Home Web Page ....................................................................................35

Figure 6-4. XPort Network Settings.....................................................................................35

Figure 6-5. XPort Server Settings .......................................................................................36

Figure 6-6. XPort Serial Settings ........................................................................................36

Figure 6-7. XPort Connection Settings................................................................................37

Figure 7-1 Typical T560 jitter in ps RMS versus delay........................................................39

Figure 7-2 Typical T560 Rising Edge, Externally triggered, delay = 100 ns........................40

Figure 8-1 T560 Outline and Mounting ...............................................................................42

Figure 8-2 Flange Mounting Dimensions ............................................................................43

Figure 8-3 Printed-Circuit Board Dimensions......................................................................44

6 T560MANK5.DOCX

Introduction

The T560 is a small, enclosed digital delay/pulse generator which is intended for use in

embedded OEM applications. Given an internal or external trigger, it outputs four precisely-

timed pulses. The T560-1 is the standard, packaged version, usable directly in many OEM

applications and as the evaluation unit for custom versions.

Features of the T560-1 include:

Four TTL-level pulse outputs, each programmable for delay and width up to 10

seconds each, with 10-picosecond resolution.

DSP phaselock system combines crystal-clock delay accuracy with low jitter from

asynchronous external trigger.

Internal 10 MHz crystal oscillator timebase with external lock capability.

0-16 MHz DDS synthesizer for internal trigger rates.

Programmable-level trigger input with divide/burst features and trigger enable GATE

input.

Needs only +12 volt power from external universal power supply.

Extruded enclosure with removable mounting flange.

RS-232 serial interface.

The T560-2 version includes all the above features and adds a 10/100-mbps Ethernet

interface.

Customizable features include:

Alternate timing algorithms

Number of timing channels, 1 to 8

Packaged or bare-board

Alternate connector types and locations

OCXO timebase

Low impedance outputs, 4 volts min into 50 ohms.

Extended temperature ranges and conformal coating

7 T560MANK5.DOCX

Highland can also provide benchtop pulse/delay generators or OEM timing packages that

include picosecond-resolution time-interval measurement, ultrafast or high-voltage outputs,

optical interfaces, and precision analog measurement.

Since creating new versions of the T560 involves hardware or firmware changes,

customization is normally done under a contractual OEM agreement with associated

purchase commitments. Custom versions will be identified by a "dash" number, starting

with T560-10.

8 T560MANK5.DOCX

Specifications: T560 Delay/Pulse Generator

FUNCTION 4-channel di

ital dela

and pulse

enerato

GATE FUNCTION Programmable as level sensitive enable input, edge triggered

burst enable input, or divisor enabled output

GATE INPUT Programmable termination, 50 Ωor 500 Ωto +2.5 V

Logic low -0.3 V min, +0.7 V max

ic hi

h +2 V min, +5 V max

GATE OUTPUT Logic low +0.1 V typical, +0.4 V max @ 50 mA

ic hi

h +5 V t

pical, +4 V min

50 m

TRIGGER SOURCES Internal DDS: 0 to 16 MHz, 0.02 Hz resolution

Internal clock: 80 MHz

Remote command or External si

nal

TRIGGER DIVISOR 1 to 232-1, 125 MHz max input

EXTERNAL

TRIGGER INPUT

Programmable termination, 50 Ωor 10 kΩto ground

Pro

rammable tri

er level

(

+0.25 to +3.3 volts

)

and slope

CHANNEL OUTPUTS

, B, C, D

Four pulse outputs, 5 V, 50 Ωsource impedance, each

pro

rammable for dela

, width, polarit

DELAY RANGE 0 to 10 seconds, 10 ps resolution

WIDTH RANGE 2 ns to 10 seconds, 10 ps resolution

INSERTION DELAY 21 ns ± 400 ps, external tri

er to an

output

DIFFERENTIAL

NONLINEARITY

< 200 ps

JITTER < 35 ps typical (50 ps max) RMS, external trigger to any output or

between any outputs

dd clock

itter for dela

s > 500 μs

TRIGGER RATE 0 to 16 MHz, limited to 1/

(

dela

+width+60 ns

)

max

RISETIME 750 ps max

FALLTIME 750 ps max

CLOCK Internal 10 MHz VCXO, 1 ppm initial accuracy, < 2 ppm/year drift

Added jitter below 10 ns per second of delay

TC below 0.2 PPM/°C

Connector provides clock in/out

Locks to external source

Clock jitter and delay errors are zero relative to external source

Optional hi

-performance OCXO

TIMING

CCURACY ± 400 ps ± 7.5 ps/°C ± clock accurac

BURST Programmable to fire N times out of each M triggers

where N and M are 1 to 232-1

OPERATING

TEMPERATURE

0 to 50°C, non-condensing

STORAGE

TEMPERATURE

-20 to 80°C

CALIBRATION

INTERVAL

One year

POWER +12 ± 0.25 volts, 0.3 amps max; 0.4 amps max with Ethernet

Universal AC adapter supplied with evaluation packa

9 T560MANK5.DOCX

COMMUNICATIONS RS-232 standard, 38.4 kbaud

Optional 10/100 Ethernet

CONNECTORS 7 SMB for trigger, gate, clock, outputs

2.5 mm stereo jack for RS-232

0.25″power connector

Optional RJ45 for Ethernet

INDICATORS LEDs indicate shot, communications

PACKAGING 4.75”

(

)

x 4.0”

(

)

x 1.25”

(

)

extruded aluminum enclosure

CONFORMANCE OEM product has no UL/FCC/CE compliance requirements

Desi

ned to meet UL/FCC/CE requirements

10 T560MANK5.DOCX

Overview of the T560

The T560-1 is an embedded digital delay/pulse generator. It accepts a trigger pulse and

generates up to four output pulses, with each pulse being individually programmable in

delay and width. Triggers may be external, internal, or evoked through the communications

interface. Timing has crystal-clock precision with picosecond jitter relative to an external

trigger.

Each output is user programmable for delay (0-10 seconds) and width (0-10 seconds) with

10 ps resolution. When externally triggered, all delays are relative to the basic 20 ns

insertion delay.

3.1.

Standard Packaging

The standard T560-1 unit is packaged in a small extruded aluminum enclosure. The

Ethernet connector is provided on the T560-2 version. Section 7 of this manual provides

detailed dimensions.

3.2.

Overall Block Diagram

Figure 3-1 T560 Basic Block Diagram is the block diagram of the T560-1. OEM versions

may include various features of the module. The optional Ethernet interface is not furnished

on the standard T560-1 version.

The T560 digital delay generator creates delays by digitally counting a basic clock to create

coarse delays to a resolution of 20 nanoseconds, and then adding a fine analog delay to

interpolate the final times to picosecond resolution. The timing clock is derived from a 50

MHz gated oscillator which is started when an internal or external trigger is received. A

DSP-based phaselock system digitizes and compares the waveforms generated by this

oscillator to that of a precision 10 MHz crystal oscillator and servoes the gated oscillator to

be as accurate as the crystal while still maintaining the timing relationship to the original

trigger.

The T560-1 supplies four TTL pulse outputs, each programmable in delay and width.

Custom versions of the T560 can provide up to eight independent delay outputs.

Because the all-digital phaselock system uses no drift-prone analog signal storage

elements, long-delay accuracy and jitter depend only in the quality of the internal or

external 10 MHz timebase.

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