Low-Voltage / High Q Si Hyperabrupt Varactors
Low-Voltage / High Q Si Hyperabrupt Varactors
MA4ST200 Series
MA4ST200 Series
Low-Voltage / High Q Si Hyperabrupt Var...
Description
Low-Voltage / High Q Si Hyperabrupt Varactors
MA4ST200 Series
MA4ST200 Series
Low-Voltage / High Q Si Hyperabrupt Varactors
Features
Surface Mount Packages (SOT-23, SOT-323, SOD-323) High Q at Low Voltages High Capacitance Ratio at Low Voltages SPC Process for Superior C-V Repeatability Available as Single and Common Cathode Pairs Tape and Reel Packaging Designed for Commercial Wireless Applications
Configurations
TOP VIEW (SOT-23, SOT-323)
Description
M/A-COM’s MA4ST200 series is a ion-implanted, hyperabrupt junction, silicon tuning varactors in SOT-23, SOT-323, and SOD323 surface mount packages. This series of varactors is designed for high Q and low voltage operation. Each varactor type has a Q greater than 400 at -2 V.
Single TOP VIEW (SOD-323)
Double
Applications
The MA4ST200 series tuning varactors are useful for wide band tuning and low phase noise applications where the supply voltage is limited to 5 volts or less. These varactors have been specifically designed for use in the wireless communications up to the 2.4 GHz band. Applications include VCOs and voltage tuned filters.
Spice Model
Intrinsic Diode Model: N = 1.1 CJ0=(see table below) VJ = (see table below) FC = 0.5 BV = 12.0 V M = (see table below)
Rs
TYPICAL DEVICE SELECTION by FREQUENCY
230 240 250
Cp Package Parasitics
Cj Parasitics: Cp= 0.15 pF Ls= 0.10 nH
Ls
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3&6 *36 '&6 3+3 '(&7
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Part No. MA4ST230
2.0 3.0
CJO ...
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