A good driver may get faster.
Pin diode switch driver design.
The subject of driver circuits for pin diode switches and attenuator circuits is always relevant to any practical component design and thus has been included in a separate appendix.
Op amp circuits are an attractive alternative to traditional pin diode drivers.
A clear advantage of op amp switch drivers is their inherent flexibility.
Part number is um4010 manufactured by microsemi corp.
This series of diodes can operate up to 6ghz with high voltage handling capabilities and together with outstanding rf performance they simplify design in because of their extreme low forward.
They can be easily configured for a variety of applications supply voltages and conditions to provide the designer with a multitude of design options.
The pin diode is a special diode which can be configured as an rf switch.
Op amp switch drivers is their inherent flexibility.
Microsemi s product line of pin diode switch driver modules is designed for use in applications where gaas or fast speed si pin diodes are utilized.
Because of the complexity of designing a high speed current driver circuit the fet switch typically has an advantage in switching speed as well.
Op amp pin diode drivers op amp circuits are an attractive alternative to traditional pin diode drivers.
References 1 2 provide a fuller treatment of this subject and can be used as a basis for rf switch switch driver interface designs.
Pin diode physics topics such as pin diode forward and reverse bias operating characteristics and.
They can be easily configured for a variety of applications supply voltages and conditions to provide the designer with a multitude of design options.
Pin diode switch driver examples.
External negative supply voltages may be as high as 18 volts.
There are some great vendors out there that can supply you with many types of pin switch drivers commercial.
It has a wide undoped intrinsic semiconductor region i sandwiched between a p type semiconductor p and an n type semiconductor region n hence the pin designation.
Inputs are compatible with standard logic families.
Pin diode driver circuits are a pain to design and build.
I have read some ap notes of pin diodes and got to know that switching speed of my antenna switch is not only related to carrier lifetime of pin diodes but also related to driver.
Driver circuits for high power pin diode switches the information in this chapter is presented as a guide for the rf switch switch driver interface.
