SR235 Analog Processor0 pages
Gated Integrators and Boxcar Averagers
nnnnSR235 —Analog processor (2-channel)
nnnn36 functions
nnnnDual inputs
nnnnPost filtering and gain adjustment
nnnn2 % basic accuracy
nnnnSR235... $1500 (u.s. iht)
nnnn■SR235 Analog Processor-
nnnnThe SR235 Analog Processor provides a variety of convenient
nnnnsignal processing functions on one or two inputs. Background
nnnnsubtraction, ratioing and logarithmic compression are just
nnnna few of the functions which can be implemented with the
nnnnSR235. With its many output functions, high accuracy, and
nnnnvariable filtering and gain, the SR235 is the perfect addition
nnnnfor any boxcar system—especially those in which a computer
nnnnis unavailable to perform signal processing.
nnnnThe SR235 outputs a voltage proportional to a function of an
nnnnargument formed from its two inputs (A and B). Allowable
nnnnarguments are: A, B, V(A2 + B2), A - B, A x B /10, and 10A / |B|.
nnnnThe functions that can be selected are: x, x2, Vx, ln|x|, -dx/dt,
nnnnand -(dx/dt) / 100. Filtering can be performed on the argument
nnnnwith time constants from 0.3 ms to 30 s.
nnnnOrdering Information
nnnnSR235 Analog processor
nnnn$1500
nnnnSR235 Specifications
nnnnA and B inputs
nnnnArgument (x)
nnnnArgument filter
nnnnGain
nnnnF(x) output
nnnnFrequency range
nnnnAccuracy
nnnnPower
nnnnWarranty
nnnn1MD input impedance, ±10 V range,
nnnnprotected to 100 V, <2 mV input offset
nnnnA, B, V(A2+B2), A-B, A xB/10,
nnnn10A/|B|
nnnnTime constant: 0.3 ms to 30 s (1-3-10
nnnnseq.) When OFF, argument is unfiltered.
nnnn0.1 to 20 in a 1-2-5 sequence
nnnnx, x2, Vx, ln|x|, -dx/dt, -(dx/dt)/100
nnnn-dx/dt to 10 Hz, -(dx/dt)/100 to 1 kHz,
nnnnV(A2+B2) to 20 Hz, all others to 50 kHz
nnnnGain, 2 %; rms sum, 3 %; difference,
nnnn1 %; multiplication, 2 % of full scale;
nnnndivision (denominator >0.1), 3 % of
nnnnfull scale; ln|x|, x2, Vx acc. to ±20mV
nnnn(ref. to input or output, whichever is
nnnnless); -dx/dt and -(dx/dt)/100, 5 %
nnnn+24 V/120 mA, -24 V/80 mA, 5 W
nnnnOne year parts and labor on defects
nnnnin materials and workmanship
nnnnStanford Research Systems
nnnnphone: (408)744-9040
nnnnwww.thinkSRS.com
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