
semiconductors - What is silicon germanium (SiGe)? - Electrical ...
Sep 25, 2013 · SiGe is a semiconductor alloy, meaning a mixture of two elements, silicon and germanium. Since 2000 or so, SiGe has become widely used to enhance the performance of …
transistors - Large SiGe ASICs for digital logic - Electrical ...
Aug 26, 2018 · Are SiGe NPN transistors used to build digital gates? Yes. This is done either for very simple, small logic, when you might need a few hundred control gates in a power …
amplifier - SiGe/GaAs RF MMIC as photodiode preamp - Electrical ...
Nov 30, 2015 · Could you suggest if it's possible to effectively use SiGe/GaAs RF MMIC (which have 50 Ohm input impedance) as first stage of photodiode amplifier? The idea is to reverse …
Change the sheet size/shape in Altium PCB editor
Jul 9, 2024 · The " Sheet " layer is just like any other mechanical layer (see the " View Configuration " panels -> " Layers & Colors "), and you'll probably need to add it manually …
Why does the thickness of a wire affect resistance?
A teacher explained why by using a highway analogy. The more lanes you have, the faster the cars go through, where the number of lanes obviously represent the wire thickness and the …
Output matching influences the input matching (RF amplifier)
Oct 14, 2023 · Prerequisites I try to design a radio frequency low noise amplifier with a SiGe transistor (BFP740 infineon.) The amplifier is designed as a common emmiter with inductive …
Gate Capacitance and Miller Capacitance on the MOSFET
Sep 28, 2013 · How is the Gate capacitance and the Miller capacitance modeled for a MOSFET. What is the behavior for both when a Gate Voltage is applied?
Maximum Allowed Radiated Continous Wave Power in 61.25GHz …
Nov 25, 2020 · Still, getting stuff to work at 60 GHz isn't easy and probably will require a chip in SiGe technology like described in the last article you refer to. Maybe the solution C. …
Highest speed of operation [BJT vs MOSFET] [closed]
Jan 22, 2024 · You can make SiGe bipolar transistors (on a chip) with ft's approaching 100GHz, and 4000 series CMOS (enhancement mode MOSFETS) that struggle to switch at 5MHz with …
Miller Capacitance in MOSFET - Electrical Engineering Stack …
Oct 7, 2020 · The above image is regarding the Miller Capacitance present in the MOSFET. I am finding it tough to understand the concept of Miller capacitance. I am trying and researching …