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ADMV1455BBCZ-R7 Scheda tecnica(PDF) 1 Page - Analog Devices |
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ADMV1455BBCZ-R7 Scheda tecnica(HTML) 1 Page - Analog Devices |
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1 / 141 page  Data Sheet ADMV1455 17.7GHz to 55GHz, Wideband, Microwave Downconverter Rev. 0 DOCUMENT FEEDBACK TECHNICAL SUPPORT One Analog Way, Wilmington, MA 01887-2356, U.S.A. | Tel: 781.935.5565 | ©2025 Analog Devices, Inc. All rights reserved. FEATURES ► Wideband RF input frequency range: 17.7GHz to 55GHz ► Integrated RF chain features ► Tunable image rejection filters ► Gain control DSAs ► Integrated LO chain features ► Input frequency range: 8.85GHz to 27.5GHz ► Internal 2× multiplier ► Tunable LO harmonic rejection filters ► I/Q phase correction ► Two frequency translation modes ► IF single-ended output (2GHz to 12GHz) ► Baseband I/Q differential output (DC to 8GHz) ► I/Q baseband mode programmable features ► Imbalance optimization ► Common-mode voltages ► DC offset correction ► Gain selection ► High gain (50Ω differential, DC to 8GHz) ► Low gain (100Ω differential, DC to 4GHz) ► IF mode programmable features ► Image rejection optimization ► Tunable band-pass filter ► Gain control DSAs ► Internal power detectors with programmable automatic power- down overload protection ► NVM factory calibration to minimize part to part variations ► Simple SPI: 3-wire or 4-wire ► General-purpose logic outputs for integration with other chips in a system ► LUT logic address inputs for fast frequency hopping applications ► 120-ball, 6mm × 6.5mm, CSP_BGA package APPLICATIONS ► Satellite payload1 and ground stations (SATCOM) ► Wideband radar and electronic warfare systems (EW) ► Instrumentation and automatic test equipment (ATE) ► Millimeter-wave 5G and 6G testers 1For information regarding commercial space low (CSL) or commer- cial space high (CSH) qualified versions of the ADMV1455, contact space@analog.com. GENERAL DESCRIPTION The ADMV1455 is a highly integrated microwave downconverter optimized for wideband radio designs operating in the 17.7GHz to 55GHz RF frequency range. Provides a compact alternative to traditional multichip solutions, significantly reducing system size, weight, and power consumption. The integrated local oscillator (LO) signal chain accepts LO input signals in the 8.85GHz to 27.5GHz range. In the LO signal chain, there are internal amplifiers, a 2× frequency multiplier, programma- ble harmonic-rejection filters, and phase-adjust circuitry that gener- ates the necessary 17.7GHz to 55GHz signal to drive the in-phase/ quadrature (I/Q) mixer. The ADMV1455 has two, switch selectable, RF signal chains. One chain operates within the 17.7GHz to 34GHz range, and the other chain operates in the 30GHz to 55GHz range. Each chain has multiple stages of low noise amplifiers (LNAs), signal level control, and filtering. A power detector is provided to allow monitoring of the power levels at the I/Q mixer inputs. The two frequency translation modes available are: a single-ended output intermediate frequency (IF) and a differential I/Q baseband. The single-ended output IF mode operates in the 2GHz to 12GHz frequency range and includes an on-chip 90° IF hybrid, a tunable filter, and two adjustable stages of gain control. The differential I/Q baseband mode operates from DC to 8GHz and includes a pro- grammable internal common-mode voltage, programmable offset voltages, and programmable gain select. The differential output impedance is centered about 75Ω, which allows the baseband outputs to interface with either a 50Ω or 100Ω differential load impedance. The RF input, LO input, and IF output are all single-ended and matched to 50Ω impedance. No external matching circuitry is re- quired. Integrated gain and frequency look-up tables (LUT) are provided and can be addressed through the serial peripheral interface (SPI) or directly using the ADD_Fx and ADD_Gx ball connections to allow fast switching for frequency hopping applications. Incorporated is a simple SPI that can operate in either a 3-wire or 4-wire implementation. The SPI allows programming all on-chip functions, such as gain control, image rejection optimization, tuna- ble filters, general-purpose logic outputs, and the LUT. The ADMV1455 downconverter is offered in a BGA package that supports heat sinking either from the top of the package or through the bottom of the printed circuit board (PCB). Either method of heat sinking has similar thermal performance and is acceptable to efficiently control the TC. The ADMV1455 operates over the −40°C to +95°C temperature range. |
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