The lm566 is a general purpose voltage controlled oscillator which may be used to generate square and triangular waves, the frequency of which is a very linear function of a control voltage. Lm565lm565c phase locked loop general description the lm565 and lm565c are general purpose phase locked loops containing a stable, highly linear voltage controlled oscillator for low distortion fm demodulation, and a double balanced phase detector with good carrier suppression. The frequency is also a function of an external resistor and capacitor. Ic 566 vco datasheet, cross reference, circuit and application notes in pdf format. Lm565lm565c phase locked loop michigan state university. Vco circuit diagram using 566 ic electronic circuits and. Lm566c voltage controlled oscillator february 1995 lm566c voltage controlled oscillator general description the lm566cn is a general purpose voltage controlled oscillator which may be used to generate square and triangular waves, the frequency of which is a very linear function of a control voltage. It is an electronic circuit which is used to lock the output frequency of the voltage. The v3340 chip is coolaudios modern clone of the famous cem3340 voltagecontrolled oscillator. Figure shows that the lm566 ic contains current sources to charge and discharge. Vcos are used in analog applications such as frequency modulation and frequencyshift keying. This can be made much smaller than a discrete circuit made from independent.
The max2870 is an ultrawideband phaselocked loop pll with integrated voltage controlled oscillators vcos capable of operating in both integern and fractionaln modes. A common type of vco available in ic form is signetics nese566. The lm566cn is a general purpose voltage controlled oscil. National semiconductor, lm566c voltage controlled oscillator, original, pdf. The se566 function generator is a voltage controlled oscillator of exceptional linearity with buffered square wave and triangle wave outputs. Electrical characteristics vcc e 12v ta e 25 c ac test circuit. It can be used to generates square and triangle waveforms simultaneously. This current is essentially constant, independent of the state of the output so. The nese566 function generator is a voltagecontrolled oscillator of exceptional linearity with. The pin configuration and basic block diagram of 566 vco are shown in figures below. Shdn gnd out vcc vcc vcc gnd shdn 220pf out to mixer synthesizer 220pf max2622 max2623 max2624 typical operating circuit pin configuration appears at end of data sheet. In which vco is designed for highly linear operation and pd with good carrier suppression. Lm566 is a monolithic voltage controlled oscillator from national semiconductors. The nese566 function generator is a general purpose voltagecontrolled oscillator designed for highly linear frequency modulation.
Datasheet production data features wide single supply voltage range or dual. Voltage controlled oscillator with types, operation and an examplelm566. The circuit provides simultaneous square wave and triangle wave outputs at frequencies up to 1mhz. The vco frequency is set with an external resistor and capacitor. Lm566 pdf, lm566 description, lm566 datasheets, lm566 view. Lm565 is a general purpose pll phase locked loop ic designed for demodulation, frequency multiplication and frequency division. Typical performance characteristicsfunction of timing resistoroperating frequency as afunction of timing capacitoroperating frequency as afunction of control voltagenormalized frequency as apower supply currenttemperature stabilityvco waveforms datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other. Recent listings manufacturer directory get instant.
The device mainly consists of two components, one is voltage controller oscillator and other is phase detector. It is specified in compliance with jedec standard no 7a. Lm566 datasheet, lm566 pdf, lm566 data sheet, datasheet, data sheet, pdf, national semiconductor, lm566c voltage controlled oscillator. Ordering information 1 16 14046bg awlyyww this device contains protection circuitry to guard against damage due to high static voltages or electric. For higher vco frequency ope ration, a down mixer or a prescaler can be used between the vco and the synthesizer ic. The comparators have two common signal inputs, pcain and. Voltagecontrolled oscillators datasheet pdf, 947 kb. Voltagecontrolledoscillatorcircuitdiagram using 566 ic. B document feedback information furnished by analog devices is believed to be accurate and reliable.
Distortion may be set by iclccpd datasheet most precise piece of equipment dataxheet possess iclccpd datasheet set of ears you have placed on each side of your heador an oscilloscope, or a combination of the two. The integrated pll with voltage controlled oscillator vco provides excellent phase noise. Voltage controlled oscillatorvcoic566 androiderode. A 7 v regulator zener diode is provided for supply voltage regulation if necessary. The information appearing in this data sheet is believed to be accurate at the time of publication. Referring to the circuit in the above figure, the capacitor c. Fcc, canada ic and europe etsi compatible with microchip microcontroller families pic16f, pic18f, pic24fh, dspic33. The circuit diagram and internal structure of pll ic 565 is shown in the given figures. This device integrates functions typically achieved with discrete components.
Lm566 datasheet, lm566 datasheets, lm566 pdf, lm566 circuit. Lmx2592 snas646f december 2015revised november 2017 lmx2592 high performance, wideband pllatinum rf synthesizer with integrated. References a vco ic may not offer enough performance for some archived, voltagecontrolled oscillator vco. Precision waveform generatorvoltage controlled oscillator. It provides ramp, pulsesquare, and triangle outputs,has inputs for oscillator sync, is temperature compensated and stable, and provides excellent 1voct tracking. Integrated low phase noise vco, frequency synthesizer and pll loop filter digital vco and filter calibration.
An important notice at the end of this data sheet addresses availability, warranty, changes. The frequency of oscillation is determined by an external. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Pdf an1207d an1207 mc145170 ic 566 vco 566 vco an1207 vco 566 mc74hcu04 mc1658 an535 2n7002 pll ic 566. Note1 stresses beyond those listed under absolute maximum ratings may cause permanent damage to the. Lm566 datasheetpdf 2 page national semiconductor ti. These frequency synthesizer chips can be found in the. Voltage controlled oscillatorvco theory and workinglm566 ic. Pulse position modulation linear ramp generator schematic diagram 1 an important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers. Lm566 data sheet, datasheet, data sheet, pdf, national semiconductor, lm566c voltage controlled oscillator.
Tb1240an has the analog rg8 interface, therefore it is easy to make up pip syswm by using this ic. Follows data sheet ordering information oscillator core bias tune tune n. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers. The direction of the input current is out of the ic.
Lm566 datasheet, lm566 pdf, lm566 data sheet, lm566 manual, lm566 pdf, lm566, datenblatt, electronics lm566, alldatasheet, free, datasheet, datasheets, data sheet. Nsc lm566c voltage controlled oscillator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm566 datasheetpdf 4 page national semiconductor ti. The direction of the input current is out of the ic due to the pnp input stage. An integrated circuit or monolithic integrated circuit also referred to as an ic, a chip, or a microchip is a set of electronic circuits on one small plate chip of semiconductor material, normally silicon. Absolute maximum ratingsif militaryaerospace specified devices are requiredplease contact the national semiconductor salesofficedistributors for availability and specificationspower supply voltage26vpower dissipation note 1 mwoperating temperature range lm566cn0 cto a70 c datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits. The hef4046b is a phaselocked loop circuit that consists of a linear voltage controlled oscillator vco and two different phase comparators with a common signal input amplifier and a common comparator input. Lm566c voltage controlled oscillator, lm566 datasheet, lm566 circuit, lm566 data sheet. Lm566 datasheet pdf lm566c voltage controlled oscillator. When combined with an external reference oscillator and loop filter, the max2. A voltagecontrolled oscillator vco is an electronic oscillator whose oscillation frequency is.
Typical performance characteristicsfunction of timing resistoroperating frequency as afunction of timing capacitoroperating frequency as afunction of control voltagenormalized frequency as apower supply currenttemperature stabilityvco waveforms datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Ncp95ab high performance resonant mode controller the ncp95ab offers everything needed to build a reliable and rugged resonant mode power supply. This ic can constitute multicolor system by combined with ta 1275az secam processor. The transmitting frequency range is 429mhz to 439mhz.