Useful tips for everyday
What does an isolation transformer do? Isolation transformers provide separation from the power line ground connection to eliminate ground loops and inadvertent test equipment grounding.…
Do crystals have resonance? Resonance modes A quartz crystal provides both series and parallel resonance. The series resonance is a few kilohertz lower than the…
When would you use a analog multimeter? The basic functionality of an analog multimeter will include measurement of electrical potential in volts, resistance in ohms,…
What is diode logic gates? Diode logic gates use diodes to perform OR and AND logic functions as shown in the circuit diagram. Connection of…
Do TVS have resistors? A TV’s circuits have hundreds of electronic components, including transistors, resistors and capacitors. A capacitor acts as a reservoir for electric…
What is the backup circuit for a 6 volt battery? When the mains power fails, D1 reverse biases and D2 forward biases and backup the…
How do I stop interference on my phone? Wrap your phone with household aluminum foil. If you don’t want to wrap the entire phone, cut…
Is a parabolic antenna directional? Parabolic, or dish, antennas are the most familiar type of directional antenna. Parabolic antennas are used for long distance communication…
What is meant by VOOC flash charge? VOOC. The OPPO VOOC (Voltage Open Loop Multi-step Constant-Current Charging) Flash Charging system is a proprietary rapid-charge technology…
Why is electromagnetic interference a problem? So, the emission from one object “interferes” with another object’s emission. When one EMI interferes with another, it results…