Electronics
SMA Connector
Developed in 1960s for coaxiable cable connections.
Designed to be used from 0 Hz to 12 GHz, but variants exist in use up to 18 and 26 GHz.
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Electronics
RP-SMA Connector
Physically the opposite of the SMA connector.
Used for Wifi, LTE 4G, GSM 3G, and Bluetooth devices as the antenna connector.
Operates from 0 to 50 GHz frequency. Impedance of 50 Ohms.
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Electronics
LDO (Low-Dropout Regulator)
A low-dropout or LDO regulator is a DC linear regulator which can regulate the output voltage even when the supply voltage is very close to the output voltage.
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Electronics
Linear Voltage Regulators
Linear regulators are a great choice for powering very low powered devices or applications where the difference between the input voltage and output voltage is small. They are a simple and cheap solution, but linear regulators are normally inefficient because the difference between the input voltage and regulated output voltage is continually dissipated as heat.
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Electronics
Switching Regulators
Switching regulators rapidly switch a series element on and off. They can operate with both synchronous and non-synchronous switches (FETs). These devices store the input energy temporarily and then release that energy to the output at a different voltage level. The switch’s duty cycle sets the amount of charge transferred to the load.
Switching regulators are efficient because the series element is either fully conducting or switched off so it dissipates almost no power.
Switching regulators are able to generate output voltages that are higher than the input voltage or of opposite polarity, unlike linear regulators.
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