High Q Hyperabrupt Tuning Varactors Features q q q MA4ST550 Series V3.
00 Case Styles q High Q Usable Capacitance Change of 7:1 Low Reverse Leakage for Good Post Tuning Drift Characteristics Reproducible C-V Curves Description The MA4ST550 family of high Q Silicon Hyperabrupt Tuning Varactors is available in a series of low parasitic capacitance microwave packages or in chip form.
The MA4ST550 series of diodes is available with junction capacitances of approximately 0.
8 pF to 8.
2 pF at -4 volts.
These diodes have capacitance change ratios as high as 7:1.
30 31 Applications The MA4ST550 series is appropriate for use in VCOs with frequencies within the range of approximately 1-14 GHz wh...

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