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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74LS Datasheet, PDF – Alldatasheet

Buyers may be subject to additional charges for customs clearance. By the way I have seen the schematic for a VCO and it looks quite complicated. You can change the frequency of the VCO because the phase detector is programmed to reduce or increase the frequency produced by the crystal. A frequency-synthesiser’s VCO jumps abruptly only to pre-determined frequencies, a VCO with a variable DC control voltage smoothly glides to any frequency within its range.

Kevin, A phase detector produces a DC correction voltage to adjust the frequency and phase of the VCO so that it is exactly the same as the crystal oscillator. I think they have to work in conjunction with a phase detector.

74LS629 View Datasheet(PDF) – Texas Instruments

Back to home page Return to top. What you are looking for is here: You might consider this sometime. This amount is subject to change until you make payment. Have one to sell? Sign in Already 74ls6299 an account? Register a new account. Learn More – opens in a new window or tab Returns: Handling time Will usually ship within 3 business days of receiving cleared payment – opens 74lx629 a new window or tab. Watch list is full. Other offers may also be available.


Then the circuit will be a single or switched frequency phase-locked-loop instead of a variable VCO. Posted August 23, Please enter a valid ZIP Code. The datasheet tells you exactly what you need and has circuits. Back to home page. Expedited Shipping from outside US. Contact the seller – opens in a new window or tab and request a shipping method to your location. Learn more – opens in new window or tab.


Sign up for a new account in our community. Will datahseet ship within 3 business days of receiving cleared payment – opens in a new window or tab. Share this post Link to post Share on other sites. Seller assumes all responsibility for this listing. Telling them to try something else is not at all helpful. Delivery times may vary, especially during peak periods. Instead of the additional phase-locked-loop parts, you can use a simple variable DC control voltage from a pot that I recommended to set its frequency to 10KHz.

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