Lisa's Column

ABSORPTION AND DISPERSION in PCB Interconnects

ABSORPTION AND DISPERSION in PCB Interconnects

Reducing signal degradation requires dielectrics with lower Dk and LT, more metal and conductors without rough surfaces. At a trade show a few year...

Bending the Flex in Rigid-Flex

Bending the Flex in Rigid-Flex

Increasing distances between rigid areas helps prevent potential damage.   WHEN DESIGNING A rigid-flex that needs to bend 90° in the flex area,...

Length Matching Routing for PCB Busses

Length Matching Routing for PCB Busses

Shortening and folding traces takes creativity and persistence, as long as the timing budget is met.   PRINTED CIRCUIT BOARDS are becoming mo...

Chip Manufacturing Process Steps

Chip Manufacturing Process Steps

Chip manufacturing process steps: A chip generally refers to the carrier of an integrated circuit .The chip manufacturing process steps are relativ...

PCB surface treatment process

PCB surface treatment process

The environmental problems involved in the PCB production process are particularly prominent. The topic of lead and bromine is the hottest topic; l...

Three Benefits of Extending Flowmeter Battery Life with Low IQ Buck-Boost Converters

Three Benefits of Extending Flowmeter Battery Life with Low IQ Buck-Boost Converters

Compared to battery chemistries such as lithium manganese dioxide (LiMnO 2 ) , lithium thionyl chloride (LiSOCI 2 ) batteries can achieve higher en...

Three Methods for Designing Low Quiescent Current Automotive Battery Reverse Protection Systems

Three Methods for Designing Low Quiescent Current Automotive Battery Reverse Protection Systems

The ever-increasing number of electronic circuits in vehicles has led to a substantial increase in the amount of battery. power that needs to be co...

UAV Basics - Composition - Motor Drive Control

UAV Basics - Composition - Motor Drive Control

Model aircraft motor drive control Motor drive control is to control the rotation or stop of the motor, as well as the speed of rotation. The motor...

UAV Basics - Concepts - Aerodynamic Principles of Quadcopters

UAV Basics - Concepts - Aerodynamic Principles of Quadcopters

Aerodynamics of a Quadcopter Quadcopter structure and x-mode and +-mode The four motors of the quadcopter are arranged in a cross shape, driving th...

Basic knowledge of UAV - composition - model aircraft motor

Basic knowledge of UAV - composition - model aircraft motor

Model aircraft motor There are brush and brushless motors. Structurally, the brushless motor is similar to the brushed motor, and also has a rotor ...

Common PCB circuit board debugging skills

Common PCB circuit board debugging skills

Whether it is a board made by others, or a PCB board designed and manufactured by yourself , the first thing to do is to check the integrity of the...

Precautions for manual soldering of circuit boards

Precautions for manual soldering of circuit boards

Among pcb manufacturers, circuit board soldering generally includes reflow soldering, wave soldering and soldering iron soldering. Reflow soldering...