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ADL5350ACPZ-WP Datasheet(PDF) 1 Page - Analog Devices |
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ADL5350ACPZ-WP Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page LF to 4 GHz High Linearity Y-Mixer Preliminary Technical Data ADL5350 Rev. PrC Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Broadband RF, IF, and LO ports Conversion loss: 6 dB Noise figure: 6 dB High input IP3: 26 dBm High input P1dB: 17 dBm Low LO drive level Single-ended design: no need for baluns Single-supply operation: 3 V @ 10 mA Miniature 8-lead 3 mm x 2 mm LFCSP package RoHS compliant APPLICATIONS Cellular base station Point-to-point radio links RF instrumentation FUNCTIONAL BLOCK DIAGRAM RF INPUT OR OUTPUT IF OUTPUT OR INPUT 3V RF IF GND GND LO LO INPUT VPOS GC ADL5350 Figure 1. GENERAL DESCRIPTION The ADL5350 is a high linearity, up-and-down converting mixer capable of operating over a broad input frequency range. It is well suited for demanding cellular base-station mixer designs that require high sensitivity and efficient blocker immunity. Based on a GaAs pHEMT single-ended mixer architecture, the ADL5350 provides excellent input linearity and low noise figure without the need for a high power level, local oscillator (LO) drive. In 850 MHz/900 MHz receive applications, the ADL5350 provides a typical conversion loss of only 6 dB. The integrated LO amplifier allows a low LO drive level, typically only 4 dBm for most applications. The input IP3 is typically greater than 25 dBm, with an input compression point of 17 dBm. The high input linearity of the ADL5350 makes the device an excellent mixer for communications systems that require high blocker immunity, such as GSM 850/900 and 800 MHz CDMA2000. At 2 GHz, a slightly greater supply current is required to obtain similar performance. For low frequency applications, the ADL5350 provides access to the gate contact of the output-mixing device. This allows an external LO coupling capacitor to be applied between the VPOS pin and GC pin, helping to improve the LO drive to the switching device. Using a single 100 pF capacitor allows high performance at the lower LO frequencies. The single-ended broadband RF/IF port allows the device to be customized for a desired band of operation using simple external filter networks. The LO to RF isolation is based on the LO rejection of the RF port filter network. Greater isolation may be achieved using higher order filter networks as described in the Applications section of this data sheet. The ADL5350 is fabricated on a GaAs pHEMT high performance IC process. The ADL5350 is available in a 3 mm × 2 mm 8-lead LFCSP package. It operates over a −40°C to +85°C temperature range. An evaluation board is also available. |
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