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MODEL 577 | 0.001 HZ TO 20 MHZDIGITAL DELAY / PULSE GENERATOR

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MODEL 577 | 0.001 HZ TO 20 MHZDIGITAL DELAY / PULSE GENERATOR

Features
Specifications
Options
Accessories
Datasheet
Resources
Software
Manuals
Media
Price List
FAQ
Quote
Contact Us

Berkeley Nucleonics’ 500 series Delay Generators offer industry-leading
precision in a multitude of user-friendly form factors. Our Model 577 offers, 4,
or 8 independent outputs that are designed to provide cutting edge and
cost-effective solutions. Our DDG’s generate and synchronize multiple pulses for
a wide range of applications, and offer a host of optical/electrical input and
output options. The delay and pulse width for each channel are independent and
digitally controlled which makes the instrument ideal for situations that
require synchronizing several different events.


OVERVIEW

Overview 


QUICK SPECS


SERVICE FEATURES

 * Channels: 4 or 8 Independent Channel Outputs
 * Resolution: 250 ps
 * Accuracy: 1 ns +.0001 x setpoint
 * RMS Jitter: < 50 ps (channel to channel)
 * Voltage: 5V Peak for TTL, 45V Peak for Adjustable.
 * Pulse Width: 10 ns - 1000 s
 * Memory: 12 Storage Slots

 * Warranty: Full 3 Year Warranty
 * Integration Assistance, Full Customer Support (Phone or Web-Based)
 * Lifetime FREE Firmware upgrade

Features


CHANNEL MULTIPLEXING

One of the more unique features of the Berkeley Nucleonics pulse generators is
the ability to combine the timing of any or all channels together and output
them out of any of the output BNCs. The multiplexing function (MUX) can be set
through remote communications via a computer or from the front panel of most
units.


SELECTABLE CLOCK REFERENCE

The Model 577 offers additional inputs and outputs for external clock
synchronizing. Specify your input/output reference frequency (10 MHz to 100
MHz). Synchronize with the Mode Lock Oscillator of a laser or phase lock
multiple units with one clock.


FLEXIBLE GATING OPTIONS

The Model 577 is packed with gating options for almost any setup. You may gate
with a channel or on any input. You may gate individual channels or gate all.
Gate immediately (output inhibit) or gate after a pulse (pulse inhibit).


EXTERNAL TRIGGER OPTIONS

Select channels for internal/external triggering, or free-run. Triggered
channels have flexible output choices: single pulse, burst at its clock rate,
continuous pulse train or a series of on/off pulses (duty cycle). Contact us for
custom wave trains or modes.


INDIVIDUAL RATES

Each channel can have individual channel rates (either T0 or any of the other
channels...).


AUTO-SAVE

Forgot to save your settings? The Model 577 stores your setup configurations
while powering down. Recall is automatic on power-up.


DUAL INPUT PANEL CONNECTORS

The Model 577 offers two inputs for triggering or gating. You may specify
electrical or optical input signals, and configure any trigger/gate combination.
Use Trigger #2 to disable a triggered pulse train.


FRONT PANEL HIGH VOLTAGE

Our modular architecture offers expanded functionality on user-selected front
panel outputs. We offer a front panel High Voltage option (adjustable from 35V,
200 mV steps) on 2, 4, 6, or all 8 channels.


FRONT PANEL OPTICAL

Many applications benefit from optical signals. For noisy environments or
communications applications, we offer an LED output stage at the front panel.
This modular option can be configured for 2, 4, 6, or 8 outputs at 820nm or
1300nm.


COMBINED OUTPUT TYPES

The outputs are configured in modules and output types are combined in pairs.
Thus one may select optical, standard electrical, or high voltage electrical in
pairs for their instrument. For example, an 8-channel unit may have optical,
standard electrical, and high voltage outputs all on one instrument. Custom or
additional output modules may be added as the need arises. See our helpful Order
Chart for all option configurations.


FIELD PROGRAMMABILITY

The instrument can now have functions upgraded in the field, such as a special
or custom feature upgrade via a fully programmable FPGA.


CUSTOM OUTPUT MODES

Custom Modules such as the TZ-50 give users an expanded list of capabilities
with the Model 577. One example is our TZ50 option, which provides customers a
TTL signal into 50 Ω expanded.


NEGATIVE DELAY

Use the convenient 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: The Negative Delay cannot trigger a channel before your initial trigger.
It is intended to complement the channel referencing option.

Specifications 

Base Model Number of Channel 577-4C
577-8C 4 Independent Output Channels
8 Independent Output Channels


INTERNAL RATE GENERATOR

Rate (T0 period) 0.001 Hz to 20.000 MHz (1000 s – 50 ns) Resolution 5 ns
Accuracy 5 ns + (0.0001 x period) T0 Period Jitter < 50 ps RMS Time Base 200
MHz, low jitter PLL Oscillator 50 MHz, 50 ppm crystal oscillator System Output
Modes Single, Normal, Burst, Duty Cycle, External Gate/Trigger Burst Mode 1 to
10,000,000 pulses Duty Cycle Mode 1 to 10,000,000 pulses ON and/or OFF Pulse
Control Modes Internally triggered, externally triggered or external gate.


TIMING GENERATOR

Pulse Width Range 10 ns -1000 s Width Accuracy 1 ns + 0.0001 x width setting
Width Resolution 250 ps Pulse Delay Range 0 - 1000s Delay Accuracy 1 ns + 0.0001
x delay setting Delay Resolution 250 ps Jitter (channel to channel) < 50ps RMS
Output Multiplexer Any/all channels may be OR’d to any/all outputs. Time Base
Same as the internal rate generator Channel Output Modes Single, Normal, Burst,
Duty Cycle Burst Mode 1 to 10,000,000 pulses Duty Cycle Mode 1 to 10,000,000
pulses ON and/or OFF Wait Counts 1 to 10,000,000 pulses Channel Control Modes
Internally triggered or external gated. Each channel may be independently set to
either mode.


OUTPUT MODULE (AT20)

TTL/CMOS Mode  Output/Source Impedance 50 Ω Output Level 4.0 V (typical) into 1
kΩ Rise Time (10% - 90%) <3ns  (1.5ns typical) Jitter < 50 ps RMS channel to
channel Adjustable Mode Output Level 2 V to 20 VDC into 1 kΩ or 1 V to 10 VDC
into 50 Ω Amplitude Resolution 10 mV Current 200 mA typical, 400 mA (short
pulses) Rise Time (10% - 90%) 15 ns (typical) @ 20V into Hi-Z (25 ns typ @ 10V
into 50 Ω) Slew Rate > 0.1V/ns Overshoot < 1 V + 10% of pulse amplitude


INPUT MODULE (IA15) 

Trigger Input Function Generate individual pulses, start a burst or continuous
stream Rate DC to 1/ (200 ns + longest active pulse). Maximum of 5 MHz Slope
Rising or Falling Threshold 200 mV to 15 VDC Maximum Input 60 V Peak Resolution
10 mV Trigger Accuracy ±3% of Threshold Voltage Impedance 5.3 kΩ + 40pF Trigger
Jitter < 800 ps RMS Insertion Delay < 110 ns Minimum Pulse Width 20 ns Pulse
Inhibit Delay < 150 ns RMS Output Inhibit Delay < 100 ns RMS Gate Input Mode
Pulse Inhibit or Output Inhibit Polarity Active High or  Active Low


MEMORY AND CONNECTIVITY

Memory Storage 16 Memory Location USB USB 1.0 Standard RS-232 DE-9F Connector
using RS-232 Communications Standard External Clock In 10 MHz – 100 MHz user
selectable in discrete values External Clock Out To or Ref out (10 to 100 MHz)
user selectable in discrete values


PHYSICAL AND ENVIRONMENTAL

Dimensions 10.5” x 8.25” x 5.5” [267 x 210 x 140mm] Weight 8 lbs [3.6 kg] Power
100 - 240 VAC 50/60 Hz <3 A Fuse 3.15 A, 250 V Time-lag (Qty 2) Operating Temp
32 - 104°F [0 - 40°C] Transportation & Storage Temp -40 - 158°F [-40 - 70°C]

Options 


OPTION L82 OR OPTION L130 - OPTICAL OUTPUTS

Wavelength 820 nm or 1300 nm Maximum Signal Rate 5 MBd Maximum Link Dist. 1.5 km
Connector Type ST


OPTION TZ50 - TTL 50 Ω OUTPUT IMPEDANCE

TTL/CMOS Mode Output Level 4.0 V typ into 50 Ω Rise Time <3 ns (2ns typical)
Slew Rate 0.5 V/ns Jitter - Channel to Channel 50 ps RMS Adjustable Mode Output
Level 2 V to 20 VDC into 1 kΩ or 1 V to 10 VDC into 50 Ω Amplitude Resolution 10
mV Current 200 mA typical, 400 mA (short pulses) Rise Time (10% - 90%) 15 ns
(typical) @ 20V into Hi-Z (25 ns typ @ 10V into 50 Ω) Slew Rate > 0.1V/ns
Overshoot < 1 V + 10% of pulse amplitude


OPTION AT35 - 35V ADJUSTABLE OUTPUT

TTL/CMOS Mode Output Level 4.0 V typ into Hi-Z Rise Time <3 ns (2ns typical)
Slew Rate 0.5 V/ns Jitter - Channel to Channel 50 ps RMS Adjustable Mode Output
Amplitude 5 V – 35 V into 50Ω load at 200 Hz Resolution 10 mV Rise Time (10% -
90%) < 30 ns Accuracy 500 mV Max. Frequency (Internal & External) 4 kHz 


OPTION TZ35 - TTL 50 Ω OUTPUT IMPEDANCE + 35V ADJUSTABLE OUTPUT 

TTL/CMOS Mode Output Level 4.0V into 50 Ω (typ) Rise Time <3 ns (2ns typical)
Slew Rate 0.5 V/ns Jitter - Channel to Channel 50 ps RMS Adjustable Mode Output
Amplitude 5V – 35V into 50Ω load at 200 Hz Resolution 10 mV Rise Time (10% -
90%) < 30 ns Accuracy 500 mV Max. Frequency (Internal & External) 4 kHz 


OPTION AT45 - 45V HIGH AND LOW IMPEDANCE

Amplitude 4V - 45V Resolution 20 mV Accuracy +/-1.5% Rise Time (10%-90%) < 2ns
into 50 Ω  (typ)
< 9ns into Hi-Z (typ) Fall Time (90%-10%) < 9ns into 50 Ω (typ)
< 9ns into Hi-Z (typ) Frequency (Internal & External) DC – 100 kHz Overshoot <
35% Typical for Fast Rise Time Polarity High Impedace Mode: Active High or
Active Low
Low Impedance (50 Ω) Mode: Active High Only Pulse Width Range High Impedance
Mode: 10 ns to DC
Low Impedance (50Ω) Mode: 10 ns to 10 seconds Max Current 35 mA (Hi-Z @10 ms
width)
900 mA (50 Ω @ 10 ms width)

AT45 NOTE:
*   Due to the power consumption and heat restrictions, a maximum of four AT45
channels can be installed on a single unit
**  Deletes TTL and ADJUSTABLE mode selection and replaced by LOW and HIGH
Impedance selection


OPTION IL82 OR OPTION IL130 - OPTICAL INPUTS

Wavelength 820nm or 1300nm Maximum Signal Rate 5 MBd Maximum Link Dist. 1.5 km
Connector Type ST Insertion Delay < 300 ns Jitter < 1.4 ns RMS


SYSTEM OPTIONS

Option Description DT15 Dual Trigger. Enable Gate Input to act as second trigger
COM Extended Communications – Adds Ethernet & GPIB EU Replace North American
Cord with European Cord


Custom Model 577 with Channel G and H as Optical Outputs, and Optical Trigger
and Gate Inputs




Accessories  

Part Number Description  P/N6923 Model 577 19" Rack Mount P/N6978 Model 577 19"
Dual Rack Mount

Datasheet 
Model 577 Datasheet
Technical resources 
Model 577 Ordering Chart
500 Series Applications
577 vs Stanford DG 535 and DG645 Comparison Chart
Frequently Asked Questions (FAQ) 


MODEL 577 | CAN I ORDER SPECIAL OUTPUTS ON JUST SOME OF MY CHANNELS ? 

Model 577 | Can I order special outputs on just some of my channels ? 

Yes. The Model 577 is customizable using the 'Ordering Chart'. Select how many
channels you would like for options such as high power outputs, optical
isolation, impedance matching, etc. Channels are paired. 

 * Read more about Model 577 | Can I order special outputs on just some of my
   channels ? 


SOFTWARE, FIRMWARE AND DRIVERS

Software, firmware and drivers are available to our registered users. To view
pricing for this and other products, please log in or create a free account.

Manuals and support documents 
Model 577 User Manual


MEDIA

Media 
Video URL 
Embedded video
Video title 
BNC 577 Recall Default Settings
Video URL 
Embedded video
Video title 
BNC 577-8C Unboxing Review.
Video URL 
Embedded video
Video title 
577 8-Channel 250ps Resolution Pulse/Delay Generator: Review
Video URL 
Embedded video
Video title 
BNC Divide by Function for the Model 577 and Model 525
Video URL 
Embedded video
Video title 
Exploring the Model 577 Options


PRICE LIST

Price lists are available to our registered users. To view pricing for this and
other products, please log in or create a free account.



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