EL4450CN Elantec Inc, EL4450CN Datasheet
EL4450CN
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EL4450CN Summary of contents
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... Applications • Modulation/Demodulation • RMS computation • Real-time power computation • Nonlinearity correction/generation Ordering Information Part No. Temp. Range Package Outline # EL4450CN -40°C to +85°C 14-Pin P-DIP MDP0031 EL4450CS -40°C to +85°C 14-Lead SO MDP0027 © 1995 Elantec, Inc. EL4450C Wideband Four-Quadrant Multiplier General Description The EL4450C is a complete four-quadrant multiplier circuit ...
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EL4450C Wideband Four-Quadrant Multiplier Absolute Maximum Ratings V+ Positive Supply Voltage Supply Voltage S V Voltage at any Input or Feedback IN V Difference between Pairs of Inputs or Feedback IN I Current into any Input ...
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Closed-Loop AC Electrical Characteristics Power Supplies at ±12V 25° 500¾ Parameter BW Small-Signal Bandwidth BW, ±0.1 dB 0.1 dB Flatness Bandwidth Peaking Frequency Response Peaking SR ...
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EL4450C Wideband Four-Quadrant Multiplier Frequency Response for Various Feedback Divider Ratios X Input Frequency Response for Various Y DC Inputs Change in Bandwidth and Peaking vs Temperature Frequency Response for Various ±5V S ...
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Slew Rate vs Supply Voltage Input Voltage Noise vs Frequency Bias Current vs Die Temperature Wideband Four-Quadrant Multiplier Slew Rate vs Die Temperature Nonlinearity of X Input Common-Mode Input Range vs Supply Voltage 5 EL4450C CMRR vs Frequency Nonlinearity of ...
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EL4450C Wideband Four-Quadrant Multiplier Supply Current vs Die Temperature Supply Current vs Supply Voltage 6 14-Pin Package Power Dissipation vs Ambient Temperature ...
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Applications Information The EL4450 is a complete four-quadrant multiplier with 90 MHz bandwidth. It has three sets of inputs; a differ- ential multiplying X-input, a differential multiplying Y- input, and another differential input which is used to The gain of ...
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EL4450C Wideband Four-Quadrant Multiplier not possible, one can insert series resistors of around to 51¾ to de-Q the inputs. Signal Amplitudes Signal input common-mode voltage must be between (V-) + 2.5V and (V+) -2.5V to ensure linearity. Addi- tionally, the ...
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Mixer Applications Because of its lower distortion levels, the Y input is the better choice for a mixer’s signal port. The X input would receive oscillator amplitudes of about 1V RMS maximum. Carrier suppression is initially limited by the offset ...
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EL4450C Wideband Four-Quadrant Multiplier Figure 3. Simplified AGC Detector/DC Feedback Circuit Here the internal op-amp of the EL4450C replaces the external amplifier. The feedback capacitor C provide a perfect integration action; a zero occurs at a frequency of 1/2¼RC . ...
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An ECL comparator produces an output corresponding to the sign of the input, which when multiplied by the input produces an effective Wideband Four-Quadrant Multiplier Figure 4. Absolute-Value Input Circuitry absolute-value function. The RC product connected to the X inputs ...
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EL4450C Wideband Four-Quadrant Multiplier Nonlinear Function Generation The REF pin of the EL4450C can be used to sum in var- ious quantities of polynomial function generators. For instance, this sum of REF allows a linear signal path The polarity of ...
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The REF and FB terminals can also be used to imple- ment division: Wideband Four-Quadrant Multiplier The output frequency response reduces for smaller val- ues but is not affected Figure 7. Divider Connection 13 ...
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EL4450C Wideband Four-Quadrant Multiplier General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the cir- cuitry or specifications contained herein at any time ...