Useful tips for everyday
What is the input impedance of a 741 op amp? about 2 MΩ The input impedance is relatively high because of the small current through…
How do you measure high voltage and high current? High dc voltages are usually measured by connecting a very high resistance (few hundreds or Mega…
How is laser pulse duration measured? For calculations concerning soliton pulses, it is common to use a duration parameter τ which is approximately the FWHM…
Which type of LED driver is most efficient? Generally, the efficiency of an LED driver is ranked between 80-85%, however, UL Class 1 drivers that…
What are the components of an FM transmitter? From the block diagram, the FM transmitter circuit consists of the following components: Micro-phone. Audio pre-amplifier. RF…
Is there a better material than lithium for batteries? Zinc-ion: A competitive alternative to lithium-ion for stationary energy storage. Lithium-ion batteries are the leading battery…
How do I change the value of PID? To tune your PID controller manually, first the integral and derivative gains are set to zero. Increase…
What is constant current and constant voltage? Constant voltage luminaires require a steady voltage to be supplied from the driver eg 12 or 24 Volts.…
How do I know if my solenoid is bad? Solenoid Valve fails to open. Check if valve is normally closed (power to open) Or Normally…
Where can I find the SOT23 marking code? Normally the part number is represented by a marking code printed on top of the SOT23 package.…