74LS Voltage-controlled Oscillators. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of . Texas Instruments (TI) reserves the right to make changes to its products or to discontinue any semiconductor product or service without notice, and advises its . 74LS datasheet, 74LS circuit, 74LS data sheet: TI – VOLTAGE- CONTROLLED OSCILLATORS,alldatasheet, datasheet, Datasheet search site for.

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74LS629 View Datasheet(PDF) – Texas Instruments

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(PDF) 74LS629 Datasheet download

No additional import charges at delivery! I think they have to work in conjunction with a phase detector. Other offers may also be available. See all condition definitions – opens in a new window or tab Learn More – opens in a new window or tab. Instead of the additional phase-locked-loop parts, you can use a simple variable DC control voltage from a pot that Datasheeet recommended to set its frequency to 10KHz.

I have seen frequency synthesizers that do the very same thing. Kevin, A phase detector produces a DC correction voltage to adjust the frequency and phase of the Dtaasheet so that it is exactly datqsheet same as the crystal oscillator. But since he said, “base frequency of 10KHz”, then maybe he isn’t allowed to do that. Then the circuit will be a single or switched frequency phase-locked-loop instead of a variable VCO.

Hi Luzell, You didn’t ask for a phase-locked-loop, but please take your pick: Also note that I posted exactly what luzell asked for instead of telling him to try something else. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab.

If you use a phase detector then you will also need a stable crystal oscillator for comparison.

74LS 데이터시트(PDF) – TI store

This amount datashset subject datasheey change until you make payment. Sign up for a new account in our community. Sign in to check out Check out as guest. Refer to eBay Return policy for more details. Back to home page. Add to watch daatasheet Remove from watch list. See terms – opens in a new window or tab. A frequency-synthesiser’s VCO jumps abruptly only to pre-determined datsheet, a VCO with a variable DC control voltage smoothly glides to any frequency within its range.


Subject to credit approval. Mouse over to Zoom – Click to enlarge. If you could post your design for one it would be helpful. See other items More Posted August 23, They incorporate a phase detector, a programmable section, and a crystal. Image not available Photos not available for this variation. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.

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Hi MP, Thanks for 74le629 good demo of a 74LS that is used as part of a phase-locked-loop, whose VCO follows the exact frequency and phase of a variable clock oscillator. Skip to main content.

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