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What you need to know about imaging solutions for camera phones
Today's camera phones will give way to 'intelligent' phones that use their image camera subsystems in ways beyond simple still image or video capture. Here is a look at how to select the right image sensor and other components in the camera systems--things you 'must know' for your designs--in order to stay ahead of the pack.

Analog EDA

Verify the design of two-way radio
This article describes how a design team at Motorola used the Berkeley Design Automation Analog FastSPICE circuit simulator to characterise complex analog/RF blocks for two-way radio and related communication devices.

Characterizing Nanometer CMOS PLLs, Sigma-Delta ADCs and AGCs
The verification of analog/RF blocks presents challenges when using a digital fastSPICE simulator. The use of an analog fastSPICE simulator mitigates them.

Simulate to accelerate your design
A guide to tools and techniques for optimal component selection and system-level design verification before committing to board and bill of materials.

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Audio and Video

Over-current protection in audio amplifiers
Here's how to easily implement an overcurrent protection scheme in an audio amplifier with either a single- or split-rail design.

What you need to know about imaging solutions for camera phones
Today's camera phones will give way to 'intelligent' phones that use their image camera subsystems in ways beyond simple still image or video capture. Here is a look at how to select the right image sensor and other components in the camera systems--things you 'must know' for your designs--in order to stay ahead of the pack.

Analog vendors boost sound quality in portables
The latest audio chips drive higher output while consuming less power.

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Optical/Wireless/RF

Design a PIN diode switch for high-linearity applications
This paper describes the basic aspects of a PIN diode, and then delves into the design considerations, process, testing, and optimization strategies for a +40 dBm PIN diode switch housed in a low-cost 2x2 QFN surface mount plastic package

How to meet the design challenges of WiMAX power amplifiers
Because WiMAX uses much higher modulation orders than cellular, it requires a much better SNR. For the mobile transmitter, this requires a PA with much better linearity and greatly complicates PA design compared to GSM or CDMA.

Verify the design of two-way radio
This article describes how a design team at Motorola used the Berkeley Design Automation Analog FastSPICE circuit simulator to characterise complex analog/RF blocks for two-way radio and related communication devices.

See all Optical/Wireless/RF »

Power Management

Low power design for analog/mixed signal IP
Power reduction and management techniques using multiple clock and power domains, dynamic voltage and frequency scaling and power gating are effective for digital circuits but for analog design, lowering power consumption must be considered early in the design phase.

Switch-Mode Power Supplies---SPICE Simulations and Practical Designs
The excerpt, from Chapter 3 of the book, provides extensive treatment of feedback/control loop design.

Choosing between a positive or negative buck topology in a switching regulator design
This article analyzes the architecture and detailed operation of the negative buck topology versus a negative buck design and includes actual circuit implementations, from a system perspective down to the building of the needed circuit blocks,

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Sensing/Conditioning/Conversion

Taking the 'black magic' out of RF design
Explore some of the system design challenges posed by ultra high-speed data conversion.

Silicon is only the beginning
Choosing the right package during the creation of a chip for the test phase of development and for the final device can not only reduce your time-to-market but also help you create tangible benefits for your customers.

Tuning out mixed signal SoC design problems
How to use PSoC Designer's CapSense button-tuning GUI to build a specialized background debugger/tuner to optimize, test and debug your custom mixed signal System on Chip design.

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About the Analog DesignLine Europe How-To Section
Analog DesignLine's Design Center section delivers tutorials on topics that include analog EDA; Audio and Video; Optical, Wireless and RF; Power Management; Sensing, Conditioning and Conversion, in applications ranging from automotive to medical and industrial electronics.

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