Linear Technology won a 2007 Product of the Year award for its LT5575 direct-conversion I/Q demodulator. We recently spoke to Design Manager Min Zou about the product’s development. “The concept for ...

Direct conversion (or low IF) receiver designs have been in existence for many years. They are widely used in mobile phones and cordless telephones because of their simplicity and lower cost. However, ...

Modern radio receivers have a distinct advantage over the common early designs which I covered in my previous article. Most of the receivers you will have worked with over the past couple decades are ...

In today's wireless-receiver architecture, an evolving trend places the digital-signal-processor (DSP) subsystem closer to the radio-frequency (RF) antenna. This trend highlights a need for innovative ...

Low-IF (intermediate frequency)-receiver architectures areincreasingly popular for manywireless standards. You candetect the signal at the IFor downconvert it to basebandafter the ADC stage. This ...