The LDMOS transistors are CMOS devices, designed for high frequency and high power operation. These devices are widely used for RF power amplifier applications such as GSM and CDMA cellular base ...
The circuit in Figure 1 sinks a constant current (ICE3) through Q3’s collector and emitter. This design is balanced so changes in Q3’s base-emitter voltage (VBE) don’t affect the current sink’s ...
Aimed at deployment in 3G base stations, Tokyo-based NEC Corp. today detailed its development of a compact gallium nitride (GaN) power transistor amplifier, which the company claims has the world's ...
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