• Model 575
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The Model 575 provides multi-channel 250 ps-resolution timing, delaying, gating, pulsing and synchronizing functions for an attractive price. There are many practical modes of operation and features in addition to the traditional digital delay and pulse generator modes. For usefulness and value – there is nothing comparable.

Each channel provides both delays and widths -a 2-channel Model 575 provides the same delay and width functionality of competitive 4-channel units. The 575 is available in 2, 4 and 8 channel configurations, with optional Ethernet, High Voltage and Dual Input Trigger options. This Digital Delay/Pulse Generator, representing our finest in precision timing, provides precise delays and widths with 250 ps resolution for times up to 1000 seconds. Low jitter both with internal clocks (50 ps) and using an external trigger (800 ps) give users the timing needed to control many devices.

This is particularly useful where several pulses or gate signals need to be delayed and timed with respect to each other or the common trigger. You may even use one channel as a trigger reference for other channels, locking the timing delays when needed. There is much to learn about the Model 575, which offers much more with a clock-divider, independent channel triggering, independent amplitudes/channel, delay and width control, and a LabVIEW 8 driver. Give us a call, we are happy to discuss your applications.

Overview

New Features in the Model 575:
Field Programmability

Customer Output Modes

Custom Modules such as the TZ-50 give users an expand list of capabilities with the Model 575. One example is our TZ-50 option, which allows customers a TTL signal into 50 ohms expanded.

575

Negative Delay

Use the handy negative delay feature to reference one channel with respect to another channel in positive or negative time increments. By allowing a channel to reference another channel as its trigger, you can synchronize the channels with respect to each other.

Note that Negative Delay cannot trigger a channel before your initial trigger. It is intended to compliment the channel referencing option.

NEW AT45 High Voltage Options

575

45V Rise, 50 Ohm, 10nS / Div

575

45V Rise Hi Z, 10nS / Div

***Due to the power consumption and heat restrictions, a maximum of four AT45 channels can be added on a single unit***

Specifications

DELAYS
Range 0-1000 s
Resolution 250 ps
Timebase 25 ppm
RMS Jitter 50 ps
Pulse Inhibit Delay 120 ns
Output Inhibit Delay 50ns
SYSTEM EXTERNAL TRIGGER INPUT(S)
Number 2|1
Rate DC to 1/(200ns + longest delay) maximum of 5MHz
Threshold 0.2 to 15 VDC
Max Input Voltage 60 V Peak
Resolution 10 mV
Slope Rising or Falling
Impedance 1 M ohm + 40 pF or 50 ohm
Jitter 800 ps RMS
Insertion Delay 120 ns
GATE INPUT(S)
Number 0|1
Threshold 0.2 to 15 VDC
Max Input Voltage 60 V Peak
Resolution 10 mV
Polarity Active High/ Active Low
Function Pulse Inhibit or Output Inhibit
Channel Behavior Global w/ Individual Channel Enables
INTERNAL RATE GENERATOR
Number 0.0002 Hz to 10.000 Mhz
Resolution 5 uS
Accuracy Same as timebase
Jitter 50 ps
Setting 1 cycle
Burst Mode 1 to 10,000,000
TTL/ ADJUSTABLE OUTPUTS
Number 2, 4 or 8 Channel Outputs
Impedance 50 ohm
Pulse Witdh Range (TTL) 10 ns - 1000 s
Rise Time (TTL) 3 ns typ
Slew Rate (Adjustable) 0.1 V/ns
Overshoot < 100 mV + 10% of Pulse amplitude
Levels TTL 0 to 4 VDC into high impedance

*VAR Adjustable amplitude, 2.0 to 20.0 VDC with 10 mV res, 20.0 VDC max transition into high impedance

ELECTRICAL OUTPUTS
Number 0 or 2
Rate DC to 1(0.2 us + longest delay)
Threshold 0.2 to 15 VDC
Max Input Voltage 60 V Peak
Resolution 10 mV
Impedance 1 M ohm + 40 pF or 50 ohm
Function(s) Individual Channel Trigger Gate/ Follower
Trigger Slope Rising or Falling
Gate Polarity Active High or Active Low
Trigger Jitter < 2 ns
OPTICAL OUTPUTS
Number 2, 4, 8
Wavelength 820 nm or 1300 nm
Max Signal Rate 5 M Bd
Max Link Distance 1.5 km
Connector Type ST
Resolution 500 ps
Accuracy 1 ns + .0001 x delay
OPTICAL INPUTS
Number 0 or 2
Wavelength 820 nm or 1300 nm
Max Signal Rate 5 Mbd
Max Link Distance 1.5 km
Connector Type ST
Resolution 500 ps
Accuracy 2 ns + .001 x delay
Optical Trigger 2412
Trigger Delay < 300 ns
Jitter < 15 ns
STANDARD FEATURES/ FUNCTIONS
Communications USB/ RS232
Global Gates/ Triggers 2 Global Gate/ Trigger Inputs
Channel Gates/ Triggers Optical/ Electrical available (5 ns Jitter)
External Clock in 10 MHz - 100 MHz

User Selectable in discrete values

External Clock out 10 MHz - 100 MHz

User Selectable in discrete values

Command Set Compatibility Backwards Compatible

Options: 

Model 575 8 Channel Configurable Pulse Generator

8-Channel: 250 ps resolution with 8 independent outputs or inputs.

Model 575 4 Channel Configurable Pulse Generator

4-Channel: 250 ps resolution with 4 independent outputs or inputs.

Model 575 2 Channel Configurable Pulse Generator

2-Channel: 250 ps resolution with 2 independent outputs or inputs.

Summary of Electrical Outputs

  • AT20 – The standard 575 provides a selectable TTL or 20V into a high impedance from a 50 ohm source impedance. The TTL level is fixed; the 20V level is adjustable down to 2V. The risetime is 3 ns.
  • TZ50 – Choose this option on 2, 4, 6 or all 8 channels to get TTL levels into 50 ohms. The standard output provides 4V pulses from 50 ohms which becomes 2V into a 50 ohm load. The TZ50 provides 4V into 50 ohms. The risetime is 3 ns.
  • AT45 – Choose this option to get 45V into 50 ohms. This option provides an adjustable 3-45V pulse into 50 ohms. The risetime is a respectable 2 ns. This is our newest option and will replace the AT35 in many applications unless price sensitivity makes the AT35 more attractive **Due to the power consumption and heat restrictions, only a maximum of four AT45 channels can be added on a single unit
  • AT35 – This is our standard high voltage module. Order 2, 4, 6 or all 8 channels. This gives you 35V into 50 ohms. This option provides an adjustable 35V pulse into 50 ohms. The risetime is 30 ns.

Summary of Optical Outputs

  • L82 – 820nm Optical Output
  • L130 – 1300nm Optical Output

Feature Summary Optical Inputs and Outputs

Berkeley Nucleonics provides the option of having combinations of optical and electrical inputs and outputs. For example, one may have an eight-channel unit with an electrical input and four optical and four electrical outputs. One may also order all optical inputs and outputs.

Some advantages of optical fiber

  • EMI Immunity
  • Level translation – Move triggers from one potential to another
  • No sparks and no high voltage pulses to overcome noisy environments
  • Smaller size and much less weight than copper cables
  • Span longer distances without signal degradation
  • Can easily fit in existing installations

Wavelengths, connectors, and fiber considerations

  • Commercially available transmitters and receivers to facilitate your interface
  • One may select either 820 or 1300nm
  • ST is the standard connector with 0.2dB typical
  • Compatible with 50/125 um, 62.5/125 um, 100/140 um and 200 um HCS fibers.
  • Distances up to 1.5 km using these receivers and transmitters

Datasheet: 

AttachmentSize
PDF icon Model 575 Datasheet329.14 KB

Technical resources: 

AttachmentSize
PDF icon Model 575 User Manual1.09 MB
PDF icon Model 575 Ordering Chart133.5 KB
Product support: 

Price information

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