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Evaluating the ADRF5515A Dual-Channel, 3.3 GHz to 4.0 GHz, 20 W Receiver Front End
FEATURES
Full featured evaluation board for the
►
Easy connection to test equipment
►
Thru line for calibration
►
EQUIPMENT NEEDED
DC power supplies
►
Network analyzer
►
ADRF5515A-EVALZ PHOTOGRAPH
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
ADRF5515A
Figure 1.
User Guide | UG-1891
ADRF5515A-EVALZ User Guide
GENERAL DESCRIPTION
The ADRF5515A is an integrated, dual-channel, 3.3 GHz to 4.0
GHz, 20 W receiver front end ideally suited for time division duplex-
ing (TDD) wireless infrastructure applications. The ADRF5515A
consists of a high power switch and a two-stage low noise amplifier
(LNA) on each channel.
This user guide describes the ADRF5515A-EVALZ, designed to
easily evaluate the features and performance of the ADRF5515A. A
photograph of the ADRF5515A-EVALZ is shown in
The ADRF5515A data sheet provides full specifications for the
ADRF5515A. Consult the ADRF5515A data sheet in conjunction
with this user guide when using the ADRF5515A-EVALZ.
Figure
1.
Rev. 0 | 1 of 9
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Summary of Contents for Analog Devices ADRF5515A-EVALZ
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Page 1: Features
(LNA) on each channel. EQUIPMENT NEEDED This user guide describes the ADRF5515A-EVALZ, designed to DC power supplies ► easily evaluate the features and performance of the ADRF5515A. A Network analyzer ►... -
Page 2: Table Of Contents
Features..............1 Control Inputs............. 4 Equipment Needed..........1 RF Inputs and Outputs........4 General Description..........1 Test Procedure............5 ADRF5515A-EVALZ Photograph......1 Biasing Sequence..........5 Evaluation Board Hardware........3 Expected Results..........6 Overview............3 Evaluation Board Artwork and Schematic..... 7 ADRF5515A-EVALZ Layout....... 3 Ordering Information..........9... -
Page 3: Evaluation Board Hardware
The typical total current consumption for the ADRF5515A is 190 mA in receive operation, high gain mode. Each supply pin for the LNAs of the ADRF5515A-EVALZ is decou- pled with 1 nF and 10 µF capacitors. A 10 µF capacitor is used on the supply line for the switches of the ADRF5515A-EVALZ. -
Page 4: Control Inputs
UG-1891 EVALUATION BOARD HARDWARE CONTROL INPUTS RF INPUTS AND OUTPUTS The ADRF5515A-EVALZ has four control inputs, as described in The ADRF5515A-EVALZ has ten edge mounted SMA connectors Table 3. Each control input is decoupled with a 100 pF capacitor. for the RF inputs and outputs, as shown in Table 4. -
Page 5: Test Procedure
5. Connect 50 Ω loads to the ANT_B, TERM_B, and RXO_B SMA connectors. 6. The ADRF5515A-EVALZ is expected to have a high and low receive gain of 36 dB and 17 dB, respectively, at 3.6 GHz. See the expected results in... -
Page 6: Expected Results
User Guide UG-1891 TEST PROCEDURE EXPECTED RESULTS Figure 4. Receive Operation, High Gain Figure 6. Receive Operation, Low Gain Figure 5. Receive Operation, Antenna to Termination Isolation Figure 7. Transmit Operation, Antenna to Termination Insertion Loss analog.com Rev. 0 | 6 of 9... -
Page 7: Evaluation Board Artwork And Schematic
User Guide UG-1891 EVALUATION BOARD ARTWORK AND SCHEMATIC Figure 8. ADRF5515A-EVALZ Assembly Diagram analog.com Rev. 0 | 7 of 9... - Page 8 User Guide UG-1891 EVALUATION BOARD ARTWORK AND SCHEMATIC Figure 9. ADRF5515A-EVALZ Schematic analog.com Rev. 0 | 8 of 9...
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Page 9: Ordering Information
Evaluation Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. (“ADI”), with its principal place of business at Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY.
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