Author Archive
Acupuncture point locator
This circuit is used to locate the sensitive acupuncture points on the human body. Acupuncture belongs to the traditional alternative medicine. This healing method require the knowledge of the correct location of the important ponts of the body. Traditional acupuncture specialists rely on their expert knowledge to locate these points. Many of them also use [...]
LF356a datasheet
LF356a General Description:
These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology).
These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust which does not degrade drift or common-mode rejection. The [...]
Ripple filter 50 Hz
The ripple filter is specially deisgned to filter out 50 Hz ripple signals from audio lines. A 50 Hz noise is usually found in european countries. In many cases, it is not possible to remove the cause of ripple noise. The featured active filter notch filter solves the problem in suvh cases. It allows the [...]
