W* Series Process Family
W series devices are junction isolated with single crystal emitters. They generally exhibit good low current linearity, and good noise performance. Resistor types are poly-silicon base and p+ diffused. Nitride capacitors are available as well as schottky and zener diodes.
Applications include compact video/Rf, power management, tuners/demodulators, DC-DC converters, automotive ICs and aerospace instrumentation.
Bipolar WPC Process
This is a versatile rf bipolar process providing excellent rf functionality at low cost. Features such as high value poly resistors and nitride capacitors and two layer metal allow low current circuits to be built with high packing densities.
Bipolar WPX Process
This is a medium voltage bipolar process with similar process features to WPC but the transistors are rated at 6V in the standard case and 18V for higher voltage versions.
Bipolar WPY Process
This is a 1.0um versatile low capacitance linear bipolar process. Its features, including high value poly resistors, nitride capacitors and thick Metal 2 allow it to be used for low current circuits with high packing densities.
Bipolar WXC Process
This is a 32V linear bipolar process with vertical NPN and lateral PNP transistors with diffused resistors, making the devices suitable for DC-DC converters, switching regulators and power management applications.
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