2014年11月13日 · (Alternatively, the time constant is how long it will take for the voltage to drop to \$\frac1e\$ of its original value, in the more realistic situation where we leave the system alone …

2019年12月21日 · It’s fairly large. 11mm x 5mm? This is an estimate in reference to the nano2 smd 7a fuse in the socket near by and several other components on board. I have provided a …

2022年2月18日 · What is ohm joules (ΩJ) unit used for? [duplicate] Ask Question Asked 3 years, 1 month ago.

I have a device operating at low-frequencies (470 - 790 MHz, Television White Space), which works with a 75 ohm antenna. I want to connect this to a 50 ohm antenna instead. The 75 ohm …

2021年9月26日 · The fundamental problem is that the macroscopic form of Ohm's law ignores all concepts of direction, so really you should derive the macroscopic form from the microscopic …

2020年5月21日 · Resistivity is defined in units of \$\Omega \times \textrm{cm}\$. I don't conceptually understand what is meant by the unit.

2018年1月17日 · By selectively mounting zero-ohm resistors to different pads, it allows the designer to reuse the board for different scenarios, or with unknown future configurations. In …

2016年10月22日 · Calculating Capacitance and Inductance from Capacitive Reactance and Inductive Reactance. I'm trying to find the inductor (L) and capacitor (C) values using the …

2021年1月21日 · And say I have a 50 ohm reference antenna design, would the best way to tune this antenna to 50 ohms on the board be to draw the length arm of the antenna longer on the …

2016年5月18日 · I have a transmitter circuit that has 75ohm impedance with the F-type connector. I need to connect this device to a 50ohm impedance power splitter/combiner with SMA type …