12 mhz clock generator software

Chapter 6 pll and clock generator university of colorado. The device has four banks of outputs with each bank supporting one differential pair or two singleended outputs. This is accomplished by using frequencylockedloop fll techniques where a 4 khz reference input is multiplied by 3072, or an 8 khz input by 1536. Similarly, with a 1 mhz clock rate, the ad9833 can be tuned to 0. Spigen v7 can be installed on any windows 7, windows 8, or windows 10 based operating system, and it uses the usb port of a computer to interface with. Moreover, your design supports dividers wich are multiples of two. Youll have to read the datasheet for details, but it doesnt look too complicated. The cdcm9102 is a lowjitter clock generator designed to provide reference clocks for communications standards such as pci express. Never hunt around for another crystal again, with the si5351a clock generator breakout from adafruit. The output frequency and phase are software programmable, allowing easy tuning. The standard form factor is pci, and standard clock frequency is 100 mhz. Bk 4071 synthesized arbitrary waveform generator w software.

A crystek cvhd950 is used as the vcxo for the first loop of the dualloop pll. The si5351 clock generator is an i2c controller clock generator. This chip has a precision 25mhz crystal reference and internal pll and dividers so it can generate just about any frequency, from mhz. It uses the onboard precision clock to drive multiple plls and clock dividers using i2c instructions. Parameters function ultralow jitter clock generator number of outputs 8 output frequency max mhz vcc core v 3. The clock chip delivers up to six clock outputs, which, depending on input frequency range 8 to 30, 1 to 150, or 1 to 167 mhz, span 80 khz to 200 mhz. After a comment is entered, you can change the time, text, font and colors of the text and the comment line by clicking the edit button. Pb2410064k 24 channels programmable ttl pulse generator, 100mhz, 64k. I required this signal generator to provide accurate test signals as part of my recent plsdr software defined radio project. The new audiophile 10m atomic clock is a 10mhz rubidium atomic reference generator that, paired with antelopes renowned clocking algorithm, delivers astonishing audio quality. Someone suggests to use 555 timer but i one of the handbook i have told that 555 timer wont support clock frequency as high as 20mhz.

In this solution, the trf3765 receives a 100mhz vcxo reference signal and generates the adc12j4000s devclk sampling clock. I can usually get a few more mhz for a cpuz using it but i wouldnt be without it for backing one down quickly and easily for a bench. Each channel can be programmed to a different frequency up to 6. The si5338 clock generator can synthesize any combination of up to 4 differential clock outputs, each of which is independently programmable to any frequency up to 350 mhz and select frequencies to 710 mhz. It generates sine and clock outputs simultaneously at up to 100 mhz with 1. Common seed clock for modern pc motherboard clock generator chips, clock for isa bus, also common on cga and vga cards and in some 8bit computers.

Combining the latest dsp and dss technologies, the 4071 offers a number of operating modes, providing a versatile, cost effective signal source. Using our clockworks configurator tool, you can quickly create solutions accessing our broad product portfolio of multiple output, highly flexible, quartz and mems singlechip clock generators for. Any of the 800 mhz lvds outputs can be reconfigured as two 250 mhz cmos outputs. Features spigen v7 compatible with windows 7, windows 8, and windows 10. Spigen is a fully customizable spi generator software package, which can easily adapt to a wide variety of spi protocol specifications. The si5391c ultralow jitter clock generator supports 12 outputs and has a maximum frequency output of 1028 mhz. Bits 3 and 4 of register 12h control the input crystal oscillator gain setting. The devices use a cypress proprietary phaselocked loop pll and spread spectrum clock ssc technology to synthesize and modulate the frequency.

These devices are the industrys first singlechip programmable clock generators capable of generating eight different output frequencies with less than 300 femtoseconds rms phase jitter over the standard 12 khz to 20 mhz integration range. The 844244i04 has excellent 1ps phase jitter performance, over the. For simplified evaluation of the si5330343538 anyfrequency, anyoutput quad clock generators and buffers, development kits are available. The ad9522 features 12 lvds outputs in four groups. Cdcm9102 data sheet, product information and support. The 8v49ns0312 is a flexible clock generator with a total of four output dividers. By using direct digital synthesis dds and precise phaselock loop. The frequency multiplier is selected by the s0 pin. This serial clock is used to clock in the serial data to the registers.

Cy25811 12 14 spread spectrum clock generator cypress semiconductor corporation 198 champion court san jose, ca 9541709 4089432600 document number. The last curve, shown in figure, represents the frequency of a 10 mhz clock over time. About clock generators and frequency synthesizers clock synthesizers a clock signal generator is a circuit that produces a timing signal for use in synchronizing a systems operation. The devices default configuration is stored in nonvolatile memory nvm as shown in figure 11. The device supports up to pcie gen3 and is easy to configure and use. N revised may 24, 2017 spread spectrum clock generator features 4 to 32 mhz input frequency range 4 to 128 mhz output frequency range.

I have used the tone function but for some reason it seems to limit how high i can set the frequency, or perhaps i am using it wrong. Programmable clock generator solves systemtiming woes. Comments appear outside of the clock and any comments entered need to have a name. Arduino code adafruit si5351 clock generator breakout. Hardware and software powerdown mode analog and digital lock detect hardware compatible to the adf4110adf4111. The clock oscillator itself goes up to 500 mhz, but the output ports of the raspberry pi are not suitable for those high frequencies.

Adafruit si5351a clock generator breakout board 8khz to. Introduction to zerodelay clock timing techniques data sheet ad95204. Si5391p ultralow jitter clock generator with 12 outputs and. Never hunt around for another crystal again, with the si5351 clock generator breakout from adafruit. This enables fast sample generation of prototype builds for userdefined frequencies. Analog devices offers ultralow jitter clock distribution and clock generation products for wireless infrastructure, instrumentation, broadband, ate and other applications demanding sub picosecond performance.

An open source frequency meter and clock generator open. The software part of the device allows to configure and save the following parameters in nonvolatile eeprom memory. Analog devices timing products for clock generators. I want to hook up my arduino micro to my gbas oscillator slot so i can control its clock speed from the arduino, with a few buttons. Compactpci, pci express, and higher clock rates are available, currently up to 500 mhz the pbesrpro series of boards. The cy258111214 products are spread spectrum clock generator sscg ics used for the purpose of reducing electromagnetic interference emi found in todays high speed digital electronic systems. The pll produces low jitter oc 12 sts 12 and oc3sts3 rate clocks from an input reference. General purpose multiphase clock generator circuits.

Cy22801, universal programmable clock generator cypress. Skew elimination is assured only if extal is greater than the minimum frequency specified in the devicespecific technical data sheet typically 15 mhz. Pll1, fractionaln mode, 12 khz to 20 mhz bandwidth loss of reference and lock detection for each pll. Its value is very close to 10 mhz and it shows very little or no fluctuations. I am looking for a way to generate 10 to 20mhz ttlcompatible clock signal. I want to be able to output 1mhz, 2mhz, 4mhz, and 8mhzl. I use this for all my overclocking rebooting all the time is a pain so i use this to find out where my limit is on the settings i have set in the bios, once it bsods i jump right into the bios and adjust my.

Clock generation microchips family of clock generators offers high configurability and ease of use so you can quickly solve timing challenges. The 8v41ns0412 is a flexible clock generator with a total of four output dividers. Use a cs2000 or cs2100 smart pll requires a crystal oscillator, use a cheap micro to talk to it via i2c at powerup, set it to multiply 48khz by 250x, output 12 mhz, done. The nb3n3010b is a precision, low noise clock multiplier that generates an output frequency of 12. Samba software provides an open set of tools for insystem programming of internal and external memories. We turned the led matrix controller in a bona fide 2in1 lab tool. Internal low power 32 khz rc and fast 12 mhz rc oscillators. Evadf4108eb1z, evaluation board using adf4108 integern pll frequency synthesizer. Each group of outputs has a divider that allows both the divide ratio from 1 to 32 and the phase coarse delay to be set. The ad9531 provides a multioutput clock generator function and three on chip. Selectable 32768 hz lowpower oscillator, 16 mhz oscillator, one pll for the system and one pll optimized for usb. The si5351 is a highly flexible clock generator which is entirely configurable through its i2c interface. The siglent provided many kinds of signals i used to validate and improve.

Pll1, fractionaln mode, 12 khz to 20 mhz bandwidth. The trf3765 is capable of generating clock frequencies up to 4. Using silicon labs patented multisynth fractional divider technology, all outputs are guaranteed to have 0 ppm. What the maximum frequency is, you have to try that. I used something like microchip unit to produce clock signal before in school but i didnt use any other way to generate clock pulses. The trf3765 is also used after being divided to clock the. Silicon labs clock generators provide industryleading jitter performance.

Clock generators, frequency synthesizers, pll and differential. The cdcm9102 provides two 100 mhz differential clock ports. The si5335a 4output differential clock generator is is capable of synthesizing 4 completely nonintegerrelated frequencies between 1 and 350 mhz. B document feedback information furnished by analog devices is believed to be accurate and reliable.

It comes in a usb controlled box standard but can also fit into a pci or pcie slot. You can also decide whether or not to display the time outside of the clock and decide h. This can be achieved by a single flipflop which is toggled at every rising edge of the input clock. Si5391c ultralow jitter clock generator with 12 outputs and. Microwave signal generators vxg accelerating 5g innovation and test compare series. When used with an external crystal, the 8v49ns0312 generates highperformance timing geared towards the communications and datacom markets, especially for applications demanding extremely low phase noise. Loop fll techniques where a 4 khz reference input is multiplied by 3072, or an 8 khz input by 1536. Pulseblaster programmable ttl pulse generator 12 or 24. Lmk03318 data sheet, product information and support. The si5391a ultralow jitter clock generator supports 12 outputs and has a maximum frequency output of 1028 mhz.

Si5391a ultralow jitter clock generator with 12 outputs and. The output signal frequency from 100 khz to 450 mhz 600 mhz during overclocking 1. Cy2292, threepll generalpurpose epromprogrammable clock. This is the chip xmos uses in their eval boards to generate audio clocks. The cy22801 is a flash programmable clock generator that supports. Si5351 clock generator adafruit customer service forums. Idt clock generators and frequency synthesizers are all pll clockbased products that. Customize clock generators using clockbuilder pro software cbpro. Adc modeling tools speed up evaluation analog devices.

To generate a 25 mhz clock from a 50 mhz input clock, you hast have to divide the input clock by two. Idts timing commander software tool enables a fast and easy. Thanks to the reprogrammability of a fpgabased system, we can develop a new project that has nothing to do with the previous one except for the fact that both share the same development board. At its most basic level, a clock generator consists of a resonant circuit and an amplifier. Featuring rms phase jitter of 69 fs, the si5391p provides all of the frequencies needed in 56g112g platform designs from a single ic.

Adf4001 200 mhz clock generator pll data sheet rev. Highbandwidths sy89426 multioutput phase locked loop pll is a sonet compliant clock generator providing 622. As it happens, this siglent model will accept an external 10 mhz clock standard to improve its accuracy, so i looked into buying or creating one. However, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other. The si5391p precision calibration grade clock generator synthesizes up to 12 outputs from a 48mhz crystal input. The device provides integer only frequency synthesis modes, 4 reference inputs and has a phase jitter of 0. The ad9531 provides a multioutput clock generator function and three onchip phaselocked loop pll cores with spi programmable output frequencies and formats. The ad9531 provides a multioutput clock generator function and three onchip phaselocked loop pll cores with spi. A document feedback information furnished by analog devices is believed to be accurate and reliable. Idts clock generator and frequency synthesizer ics are pllbased devices singleended and.

839 1558 656 232 938 1555 1185 232 1186 217 872 935 1297 1474 254 1635 275 52 1092 990 933 187 786 273 670 488 1656 133 118 1024 1139 881 114 814 478 207 890 991 48 513 760 1492 1199 1166 89 809 896 40 872