DSP 硬件设计技术.pdf

嵌入式硬件设计参考系列之DSP 硬件设计技术.pdf
HARDWARE DESIGN TECHNIQUES




SECTION 10

HARDWARE DESIGN TECHNIQUES



I Low Voltage Interfaces

I Grounding in Mixed Signal Systems

I Digital Isolation Techniques

I Power Supply Noise Reduction and Filtering

I Dealing with High Speed Logic




10.a
HARDWARE DESIGN TECHNIQUES




10.b
 HARDWARE DESIGN TECHNIQUES


SECTION 10
HARDWARE DESIGN TECHNIQUES
Walt Kester
LOW VOLTAGE INTERFACES
Ethan Bordeaux, Johannes Horvath, Walt Kester

For the past 30 years, the standard VDD for digital circuits has been 5V. This voltage
level was used because bipolar transistor technology required 5V to allow headroom
for proper operation. However, in