EL4450CN 데이터 시트보기 (PDF) - Intersil

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EL4450CN

Wideband Four-Quadrant Multiplier

Intersil 

EL4450

FIGURE 4. POLYNOMIAL FUNCTION GENERATOR

this sum of REF allows a linear signal path which can have

various amounts of squared signal added (Figure 4).

the bandwidth of the circuit will reduce for smaller input

signals (Figure 5).

The polarity of the squared signal can be reversed by

swapping one of the X or Y input pairs.

The REF and FB terminals can also be used to implement

division.

The REF and FB pins also simplify feedback schemes that

allow square-rooting.

The diode and IPULLDOWN assure that the output will always

produce the positive square-root of the input signal.

IPULLDOWN should be large enough to assure that the diode

be forward-biased for any load current. In this configuration,

The output frequency response reduces for smaller values of

VX, but is not affected by VREF(Figure 6).

FIGURE 5. SQUARE-ROOTER

FIGURE 6. DIVIDER CONNECTION

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