User manual

page 77
Analog System Lab Kit PRO
The MPY634 is a wide bandwidth, high accuracy,
four-quadrant analog multiplier. Its accurately
laser-trimmed multiplier characteristics make it
easy to use in a wide variety of applications with
a minimum of external parts, often eliminating
all external trimming. Its dierential X, Y, and Z
inputsallowcongurationasamultiplier,squarer,
divider, square-rooter, and other functions while
maintaining high accuracy. The wide bandwidth
of this new design allows signal processing
at IF, RF, and video frequencies. The internal
output amplier of the MPY634 reduces design
complexity compared to other high frequency
multipliers and balanced modulator circuits.
It is capable of performing frequency mixing,
balanced modulation, and demodulation with
excellent carrier rejection. An accurate internal
voltage reference provides precise setting of
the scale factor. The dierential Z input allows
user-selected scale factors from 0.1 to 10 using
external feedback resistors.
•WideBandwidth:10MHzTyp
•0.5%MaxFour-QuadrantAccuracy
•InternalWide-BandwidthOpAmp
•EasyToUse
•LowCost
•PrecisionAnalogSignalProcessing
•ModulationAndDemodulation
•Voltage-ControlledAmpliers
•VideoSignalProcessing
•Voltage-ControlledFiltersAndOscillators
http://www.ti.com/lit/gpn/mpy634
Wide Bandwidth Analog Precision Multiplier
appendix A
A.2.1 Features
A.2.3 Description
A.2.4 Download Datasheet
Figure A.2: MPY634 - Analog Multiplier
A.2.2 Applications
MPY634
X
1
+V
S
X
2
Out
SF Z
1
Y
1
Z
2
Y
2
–V
S
–15V
+15V
Y Input
±10V FS
±12V PK
X Input
±10V FS
±12V PK
470k Ω
Optional
Summing
Input,
Z, ±10V PK
+ Z
2
(X
1
– X
2
) (Y
1
– Y
2
)
10V
50kΩ
+15V
–15V
1kΩ
Optional O ffset
Trim C ircuit
V
OUT
, ±12V PK
=
MPY634