400 MHz TO 6 GHz Broadband Quadrature Modulator
The ADL5375 is a broadband quadrature modulator designed for operation from 400 MHz to 6 GHz. Its excellent phase accuracy and amplitude balance enable high performance intermediate frequency or direct radio frequency modulation for communication systems.
The ADL5375 features a broad baseband bandwidth, along with an output gain flatness that varies no more than 1 dB from 450 MHz to 3.8 GHz. These features, coupled with a broadband output return loss of <−14 dB, make the ADL5375 ideally suited for broadband zero IF or low IF-to-RF applications, broadband digital predistortion transmitters, and multiband radio designs.
The ADL5375 accepts two differential baseband inputs and a single-ended LO. It generates a single-ended 50 Ω output. The two versions offer input baseband bias levels of 500 mV (ADL5375-05) and 1500 mV (ADL5375-15).
The ADL5375 is fabricated using an advanced silicon-germanium bipolar process. It is available in a 24-lead, exposed paddle, Pb-free, LFCSP_VQ package. Performance is specified over a −40°C to +85°C temperature range. A Pb-free evaluation board is also available.
- Cellular communication systems
GSM/EDGE, CDMA2000, W-CDMA, TD-SCDMA
- WiMAX/broadband wireless access systems
- Satellite modems
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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.
ADL5375-15-EVALZ is a fully populated, 4-layer, FR4-based evaluation board. For normal operation, it requires a 5 V/500 mA power supply. The 5 V power supply should be connected to the clip leads labeled VPOS and GND. The LO and baseband inputs (which should be biased at 1.5 V) are applied to edge-mounted SMA-type RF connectors. The ADL5375 output drives the ADL5320 driver amplifier with its output is available at the SMA connector labeled AMP_OUT. The ADL5375's output can be accessed directly at the SMA connector labeled AMP_IN/SMA_OUT (remove R2 and install zero ohms in R1). The evaluation board also includes options to drive the LO differentially through a balun along with pads that can be used to implement a harmonic filter in the LO path.
The AD-FMCOMMS1-EBZ is an analog front end hardware platform that addresses a broad range of research, academic, industrial and defense applications. The AD-FMCOMMS1-EBZ enables RF applications from 400MHz to 4 GHz. The module is customizable to a wide range of frequencies by software without any hardware changes, providing options for GPS or IEEE 1588 Synchronization, and MIMO configurations.
When combined with the Xilinx ZYNQ® Software-Defined Radio Kit, AD-FMCOMMS1-EBZ enables a variety of wireless communications functions at the physical layer, from baseband to RF. With up to 4 GB of flash storage space, 512 MB of RAM, Gigabit Ethernet interface (depending on the base platform) and a Linux image built specifically for the AD-FMCOMMS1-EBZ, you can get everything you need for a easy out of the box experience. The platform offers enough flexibility for many applications, and supports streaming data, and standard web interfaces to analyze transmitted RF data.
- Electronic test and measurement equipment
- General-purpose software radios
- Radar systems
- Ultra wideband satellite receivers
- Point to point communication systems
Recommended Differential Dual Baseband TxDAC's
- For even lower power requirements up to 125MSPS , we recommend the AD9717 .
- For direct conversion transmit applications up to 500 MSPS , we recommend the AD9783, AD9122 or the AD9122 .
- For higher bandwidths using data rates up to 250MSPS, with low noise and IMD , we recommend the AD9747, AD9125 or the AD9125 .
- For generating differential I and Q currents up to 125MSPS , we recommend the AD9117 .
- For ultrlow noise and IMD at 1000MSPS , we recommend the AD9125, AD9122, AD9122, AD9125 or the AD9146 .
Recommended Low-Noise Voltage Regulators
- For a fixed 5V, 500mA low dropout regulator with reverse current protection , we recommend the ADP7104 .
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.