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Partname: | ZNBG3114 |
Description: | FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
Manufacturer: | Zetex Semiconductors |
Datasheet: | PDF (684K). Click here to download *) |
The ZNBG series of devices are designed to meet the bias requirements of GaAs and HEMT FETs commonly used in satellite receiver LNBs, PMR cellular telephones etc. with a minimum of external components. With the addition of two capacitors and a resistor the devices provide drain voltage and current control for three external grounded source FETs, generating the regulated negative rail required for FET gate biasing whilst operating from a single supply. This negative bias, at -3 volts, can also be used to supply other external circuits. |
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 Click here to download ZNBG3114 Datasheet*) |
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