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ICL Intersil 1MHz, Four Quadrant Analog Multiplier ChipFind Datasheet Archive |
The quadrature oscillator finds various applications in SSB modulators and spectral phase measurements: Dataasheet new single CDBA-based differential integrator with a multiplier element in the circuit loop is presented for obtaining electronic tunability. We obtained three such graphs corresponding to oscillation generation at the nominal frequencies of ? Tuning error and THD measured at three different tuning frequencies.
The realisability conditions for a true differential integrator now modify to Here we neglect the error products since ; thus. Embedding the HA multiplier device [ 78 ] with BW ? The active – sensitivity may be estimated after writing for simplicity, which gives since [ 4 ifl8013, 1112 ].
It datasheeet be seen that the select-frequency was reported in the range of a maximum of ? KHz in the earlier circuits [ 346 ].
ICL datasheet & applicatoin notes – Datasheet Archive
After putting we obtained since we selected. Subsequently, a double integrator type VCQO had been designed and tested in a frequency range of ? The device imperfections may be expressed in terms of some port mismatch ratios [ 2 — 4 ] given by the relations The and terminals of the CDBA however are internally grounded; hence In the literature, the mismatch ratios are postulated in terms of some low-magnitude error [ 2 — 6 ] quantities given byand for an ideal device the errors vanish.
Indexed in Web of Science. We design a VCQO using the proposed integrator in a two integrator loop, each being used single ended, one inverting and the other in noninverting mode, that is, from 3 we designed andthereafter cascading the two integrators in a loop. This is an open access article distributed under the Creative Commons Attribution Licensewhich permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Active and Passive Electronic Components.
With a nonideal CDBA device, these design equations would alter. The CDBA offers several advantageous features viz. Table of Contents Alerts. MHz with a typical set of values? The proposed circuit is shown in Figure 1. View at Google Scholar A. With identical integrator, the oscillation frequency would be. A multiplier element is appropriately used in the circuit whose control voltage tunes the integrator time constant electronically.
With 2 in 1an ideal dual-input integrator function is obtained as where if then with Hence the time constant is electronically tunable for the range? Subscribe to Table of Contents Alerts.
MHzand improved versatility make it quite suitable for analog signal conditioning and active filter design applications. It may be mentioned here that one can select any of the two default values of the multiplier constant and for the ICL multiplier device [ 7 — 91314 ] in order to enhance the tuning range concomitantly while keeping and as the limit. MHz with suitable design.
Semiconductor Product DatabookIntersil Corp. We propose here a new electronically tunable differential integrator using a CDBA; the control voltage of a multiplier element, incorporated suitably in the circuit, tunes electronically.
(PDF) ICL8013 Datasheet download
We tested the frequency response of the integrator with antiphase input sinusoid signals and observed the phase error dahasheet about 5. The design of a voltage controlled quadrature oscillator VCQO had then been implemented using the double integrator loop.
MHzit is possible to obtain an extended frequency range. The ICL device is a four-quadrant analog multiplier whose output is proportional to the electronic product of two input voltage signals with a transmission constant [ 78 ].
ICL8013 Datasheet PDF
To receive news and publication updates for Active and Passive Electronic Components, enter your email address in the box below. The design of a voltage controlled quadrature oscillator VCQO based on the proposed integrator had been satisfactorily implemented.
Effect of the multiplier device nonideality may be derived by expressing so that we can effectively write for sensitivity calculation, which yields. We therefore get the realisability conditions for a true differential integrator, putting ; to 4, as here we assumed.
Intersil Datasheet, file number For example, if we assume for a desired at? In order to examine the tuning error in we had carried out a new type of measurement using the Nyquist plot of the loop transfer function of the double-integrator loop in the vicinity of as shown in Figure 2 d.
By Reanalysis assuming finite quantities, we get a modified transfer equation. Abstract A new dual-input differential input active integrator using a current differencing buffered amplifier CDBA is proposed.