Invention Grant
- Patent Title: Digital power encoder for direct digital-RF transmitter
- Patent Title (中): 数字电源编码器，用于直接数字射频发射器
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Application No.: US14063518Application Date: 2013-10-25
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Publication No.: US08953670B1Publication Date: 2015-02-10
- Inventor: Rui Ma , Qiuyao Zhu , Koon Hoo Teo , Chunjie Duan
- Applicant: Mitsubishi Electric Research Laboratories, Inc.
- Applicant Address: US MA Cambridge
- Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee Address: US MA Cambridge
- Agent Dirk Brinkman; Gene Vinokur
- Main IPC: H03K7/08
- IPC: H03K7/08 ; H03K9/08 ; H04B1/04 ; H04L25/49
Abstract:
A transmitter includes a first digital up-converter for converting data to an intermediate frequency (IF) signal, a pulse width modulator (PWM) for encoding the IF signal to an IF pulse train, a second digital up-converter for converting the IF pulse train to a radio frequency (RF) pulse train, a power amplifier for amplifying the RF pulse train; and a filter for reconstructing a RF analog signal from the amplified RF pulse train.
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