The performance and usage of electrolytic capacitors, surface mount capacitors, tantalum capacitors, and oscillating capacitors respectively 3

2. Coupling effect: In the process of transmitting and amplifying low-frequency signals, capacitor coupling is often used to prevent the static operating points of the front and rear circuits from affecting each other. To prevent excessive loss of low-frequency components in the signal, electrolytic capacitors with larger capacities are generally used. Electrolytic capacitors play a role in eliminating clutter in the circuit, thereby providing a relatively stable current supply for the CPU  diode

As the name suggests, the oscillation circuit refers to circuit three that can generate oscillations. As for the problem of circuits composed of capacitors and resistors generating oscillations, it depends on how the capacitors and resistors are connected. Not all circuits composed of capacitors and resistors can generate oscillations.

Principle: According to the principle that the voltage across the capacitor cannot undergo sudden changes. Generally composed of four parts, 1 RC charging circuit, 2 RC discharging circuit, 3 switch circuit, 4 feedback RC charging and discharging time determines the frequency of oscillation  diode