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VCO - Computers electronics


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MAXIM VCo MAX2608MAXIM VCo MAX2608

The datasheet says this VCO covers 300 to 500 Mhz, in this test setup with one coil it covers 350 to 475 Mhz with the controlling voltage.

http://www.webx.dk/oz2cpu/radios/maxim-vco.htm


Integrated PLLs and VCOs for Wireless ApplicationsIntegrated PLLs and VCOs for Wireless Applications

The second part of the article by Ian Collins, Applications Engineer, RF Group, Analog Devices, Inc. regaring the design PLLs and VCOs using integrated circuit chips.

http://www.radio-electronics.com/analysis/rf-technology-design/2010-11/integrated-plls-vcos-02.php


pdfvco_phase_noise

VCO Phase noise Characterizing Phase Noise The term phase noise is widely used for describing short term random frequency fluctuations of a signal. Frequency stability is a measure of the degree [. . ]

http://nliebeaux.free.fr/ressources/vco_phase_noise.pdf


VCo Phase Noise optimization for the MAX2309 - Maxim

LO phase noise on the MAX2309 is improved at 100MHz. PLL bandwidth, reference noise, and VCO components are changed to allow ~-90dBc/Hz phase noise at a 10kHz offset.

https://www.maximintegrated.com/app-notes/index.mvp/id/1753


Buffer Amplifiers Solve VCo Problems - Maxim

This article describes VCO application issues such as load pulling, supply pushing, phase noise and affects of radiated energy of near-by power amplifiers (PAs). It is shown how these problems are mitigated by using a VCO buffer to isolate the oscill

http://www.maxim-ic.com/app-notes/index.mvp/id/2019


Circuit - VCo oscillators Circuits / Schematic List - Circuits designed by David A. Johnson, P.E.Circuit - VCo oscillators Circuits / Schematic List - Circuits designed by David A. Johnson, P.E.

VCO Oscillators schematic, circuits designed by David A. Johnson, P. E. You are welcomed to link to these circuits, but please DO NOT COPY them to your website

http://www.discovercircuits.com/DJ-Circuits/DAJ-Categories/daj-VCO-osc.htm


Circuit - CMOS SCHMITT TRIGGER IC MAKES VCo - Circuits designed by David A. Johnson, P.E.Circuit - CMOS SCHMITT TRIGGER IC MAKES VCo - Circuits designed by David A. Johnson, P.E.

By changing the supply voltage fed to a classic 4584 Schmitt trigger type oscillator, the oscillator frequency can be changed over a range of 50:1. A 74HCU04 inverter is used at the output of the 4584 to maintain a constant TTL logic level signal.

http://discovercircuits.com/DJ-Circuits/4584vco.htm


555 Vco circuit with logarithmic characteristic_Circuit Diagram World555 Vco circuit with logarithmic characteristic_Circuit Diagram World

As shown in Figure 5-20, 555 and IC1, VT1, C etc. form VCO, the changing of input voltage VB1 causes the oscillation frequency of IC2 changing with logarithmic characteristics. VT1, VT2 are the same curve matching tube, because the base of

http://www.circuitdiagramworld.com/555_circuit_diagram/555_Vco_circuit_with_logarithmic_characteristic_22893.html


TRF372017 power down control bits - High Performance RF Modulators, PLL and VCo products Forum - High Performance RF Modulators, PLL and VCo product.......

Ask questions, share knowledge, explore ideas, and help solve problems with fellow engineers and TI experts.

http://e2e.ti.com/support/rf__digital_radio/high_performance_rf_modulators_pll_and_vco_products/f/224/t/143625.aspx


RF Avenue - oscillator & VCo Design, Circuits, & Tools -- oscillator Design Software, Books, Book Reviews, ...RF Avenue - oscillator & VCo Design, Circuits, & Tools -- oscillator Design Software, Books, Book Reviews, ...

Directory of RF & microwave resources for designers of digital wireless communication systems. Includes tutorials, theory, circuit design, products, software, books, book reviews, and more.

http://www.newwaveinstruments.com/resources/rf_microwave_resources/sections/oscillator_vco_theory_design_circuit.htm#Directory


PSK modulation and current source circuit - High Performance RF Modulators, PLL and VCo products Forum - High Performance RF Modulators, PLL and VCo.......

Ask questions, share knowledge, explore ideas, and help solve problems with fellow engineers and TI experts.

https://e2e.ti.com/support/rf-microwave/f/220/t/239763?PSK-modulation-and-current-source-circuit


Ultra Low Jitter Synthesizer and Jitter Cleaner - Internal VCo output - CDCM6208 - TI.com

Download a datasheet or document on TI's CDCM6208 Ultra Low Jitter Synthesizer and Jitter Cleaner, from the Internal VCO Output collection of analog and digital product folders.

http://www.ti.com/cdcm6208-b


VCO Enables a Hands-Free Car Kit for Cell Phones - Application Note - Maxim

An integrated IF voltage-controlled oscillator (VCO) can retransmit the audio signal from a cell phone to the FM broadcast band, for using the phone as a hands-free device while driving.

http://www.maximintegrated.com/app-notes/index.mvp/id/5123


Ultra Low Jitter Synthesizer and Jitter Cleaner - Internal VCo output - CDCE62002 - TI.com

Download a datasheet or document on TI's CDCE62002 Ultra Low Jitter Synthesizer and Jitter Cleaner, from the Internal VCO Output collection of analog and digital product folders.

http://www.ti.com/product/CDCE62002


VCo voltage controlled oscillator electronic project circuit using LM111

VCO voltage controlled oscillator electronic circuit project using LM111 IC .

http://www.electroniq.net/node/741


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