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News
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Last updated on:
September 25th, 2007 |
Model
Number Index Page
Click here to reach the model number index page that lists
current and former model numbers of SIGNAL RECOVERY
instruments carrying the PRINCETON APPLIED RESEARCH (PAR),
Brookdeal Electronics, EG&G, PerkinElmer
and SIGNAL RECOVERY brand names, with links to
the product pages for current instruments, and suggested
alternatives for obsolete units. |

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| New
Release 3.10 of Acquire Software adds support for Boxcar Averagers |
| Our Acquire data
acquisition software can now control our Model 4121B/4161A Boxcar
Averager systems, letting you take data in both waveform recovery
and static gate modes. The systems offer better sensitivity and
higher trigger rates than those from other suppliers.
New support for the Model 9650A Digital Delay
Generator and Model 5113 Low Noise Preamplifier further extends the
capabilities of this powerful package. You can even run experiments
combining both lock-in amplifiers and boxcar averager modules.
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Now you can use our Acquire Software to control
our Boxcar Averager Products |
- Waveform recovery of nanosecond pulses
- Frequency response measurements
- Transient recorder
- Network analysis
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- Measuring pulse power
- Data logging vs. time
- Remote instrument control
- Noise vs. frequency measurements
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| Existing users of Acquire
version 3.0 and later can upgrade free of charge simply by visiting
our website and downloading the new code - click
here find out more The new software is compatible with all model
4161A Dual Channel ADC and 4121B Boxcar Averager modules, and so
offers a low-cost route to updating your system.
Don’t know what a Boxcar Averager is? Then see the article
below about our new Technical Note TN1005, "What is a Boxcar
Averager?"! 
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Three New Technical
Notes from the SIGNAL RECOVERY Library |
TN1005:
What is a Boxcar Averager?
This Technical Note describes in simple terms how a Boxcar
Averager works, both in static gate and waveform recovery modes, and
discuss the applications for which it can be used. |
TN1006:
Boxcar Averager
Specification Comparison
This Note discusses some key differences between the
specifications of the SIGNAL RECOVERY model 4121B
Boxcar Averager and its closest competitive product, the SRS SR250,
showing that in many ways our model 4121B is the better instrument. |
TN1007:
The Incredible Story of Dr D. P. Freeze
- 30th Anniversary Edition
This amusing tale describes how a researcher who returns to his
post at a University after a long break is unaware of the
capabilities of lock-in amplifiers. We are delighted to be able to
re-issue this note on the thirtieth anniversary of its original
publication and hope it will bring a smile to a new generation of
researchers. |
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Download any or all of these notes from this
website - click here to locate them |
Operate
your lock-in from your computer's web browser...
Our updated ActiveX Control and Software Development Kit, SRInstComms,
now includes support for VBScript, allowing you to use it on HTML
pages operated via Internet Explorer. It can also, of course, be
used with any other ActiveX enabled programming language, such as
Visual Basic, Visual C++ and LabVIEW. The kit includes example files
in each of these languages, as well as in Visual Basic for
Applications used in Excel and other Microsoft products, and
VBScript.
Click here to find out more |

Take Data Directly into an Excel Spreadsheet! |
Gain
an unfair advantage with a SIGNAL RECOVERY
preamplifier!
The model 5113 voltage preamplifier offers adjustable gain,
DC or AC input coupling and DC offset controls, making it ideal for
use as an oscilloscope or ADC preamp. Internal battery power can
help eliminate troublesome ground loops while the fully configurable
high and low pass filters allow you to really "home-in" on
the signal of interest.
What’s more, the new, free, LabVIEW drivers available by
download from this site mean that it is now even easier to use this
unit in computerized test rigs. Click here
for more details. |

Model 5113 Preamplifier |
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