AD8349 DATASHEET PDF

Its excellent phase accuracy and amplitude balance enable high performance direct RF modulation for communication systems. The differential LO input signal is buffered, and then split into an in-phase I signal and a quadrature-phase Q signal using a polyphase phase splitter. These two LO signals are further buffered and then mixed with the corresponding I channel and Q channel baseband signals in two Gilbert cell mixers. Its high dynamic range and high modulation accuracy also make it a perfect IF modulator in local multipoint distribution systems LMDS using complex modulation formats.

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Data Sheet. Output frequency range: MHz to MHz. Modulation bandwidth: dc to MHz large signal BW. Phase quadrature error: 0. Amplitude balance: 0. Single supply: 4. The AD is a silicon, monolithic, RF quadrature modulator. The differential LO input signal is buffered, and then split into. These two LO signals are further. Q channel baseband signals in two Gilbert cell mixers.

The RF output can be switched on and off within 50 ns by. Quadrature Modulator. IBBP 1. IBBN 2. COM1 3. COM1 4. LOIN 5. LOIP 6. VPS1 7. ENOP 8. Figure 1. The AD can be used as a direct-to-RF modulator in digital.

Its high dynamic range and high modulation. Its performance is. Information furnished by Analog Devices is believed to be accurate and reliable.

However, no. Specifications subject to change without notice. One Technology Way, P. Box , Norwood, MA , U. Tel: Fax: All rights reserved. Comparable Parts. View a parametric search of comparable parts.

Evaluation Kits. Application Notes. Transmit Systems. Improve RF Signal Fidelity. Tools and Simulations. Reference Materials. Product Selection Guide. Technical Articles. Design Resources. Sample and Buy. Visit the product page to see pricing options.

Technical Support. Submit a technical question or find your regional support. Note: Dynamic changes to. This content may be. Download AD Datasheet. Its excellent phase accuracy and amplitude balance enable high performance direct RF modulation for communication systems.

The differential LO input signal is buffered, and then split into an in-phase I signal and a quadrature-phase Q signal using a polyphase phase splitter. These two LO signals are further buffered and then mixed with the corresponding I channel and Q channel baseband signals in two Gilbert cell mixers.

Its high dynamic range and high modulation accuracy also make it a perfect IF modulator in local multipoint distribution systems LMDS using complex modulation formats. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Note: Dynamic changes to the content on this page does not constitute a change to the revision number of the product data sheet. This content may be frequently modified.

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AD8349 Datasheet PDF

The AD is high performance quadrature modulator design for use as a single stage up-converter within wireless infrastructure equipment. The AD provides a high output power and very low noise floor supporting a significant improvement in the output signal range. At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist. The LO and baseband inputs which should be biased at 0.

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