Atec Signal-Recovery-7280 - Manual (Page 4)

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They are the only commercially available 2 MHz genuine Allows use in systems requiring short output time constants
DSP lock-in amplifiers without problems caused by an insufficient number of samples
per signal cycle
Analog outputs updated at 7.5 MHz for use Ideal for scanned probe microscopy feedback control loops
with time constants down to 1 µs
Spectral Display (Model 7280 only) See in the frequency domain where interfering signals are and
choose a quiet region for your reference frequency
Dual Reference Measure two signals at two different frequencies simultaneously,
without the expense involved in buying two instruments
Dual Harmonic Measure two signals at two different harmonics simultaneously,
without the expense involved in buying two instruments
Curve Buffer Graphical Display Strip chart mode display is invaluable for monitoring during
manual adjustment of experiments
Virtual Reference Recover signals even without a reference
Large high resolution electroluminescent display Excellent viewing angle for good visibility even across a
(Model 7280 only) crowded laboratory
Easy to set controls with keypad and Enter the exact setting you need without having to fiddle with a
cursor movement keys (Model 7280 only) sensitive rotary knob. Move the cursors on the graphical display
with ease
User upgradeable firmware Benefit from future firmware upgrades without having to send the
instrument to a service facility
2-input multiplexing using A and -B inputs Measure two signals sequentially under computer control using
- even under computer control the same lock-in without having to switch connections
8 User Settings Memory (Model 7280 only) Several users can share an instrument but keep their own
personalized settings
Internal Oscillator can be used independently Set OSC OUT to a different frequency to the reference e.g. Use
of rest of instrument it to control a SIGNAL RECOVERY chopper at f and then
connect the lock-in's reference input to the chopper's f/10 SYNC
output
Auxiliary Digital Input and Output port Eliminate the need for separate digital I/O cards when building
complex computer controlled experiments
Excellent LabVIEW driver Saves programming time
Compatible with Acquire software Eliminates the need to develop programs
Compatible with SRInstComms Control the instrument from any ActiveX enabled programming
language, such as Visual Basic, VBA (Excel, Word, Access)
and VBScript (Internet Explorer)
Lock-in Amplifiers
Why should you choose SIGNAL RECOVERY products?
Models 7280 and 7280BFP Wide Bandwidth DSP Lock-in Amplifiers
SIGNAL RECOVERY Product Features Benefit to you