XP1048-QJ Datasheet, PDF (6/8 Pages) Mimix Broadband – 3.3-3.8 GHz HFET 3W Linear Power Amplifier

3.3-3.8 GHz HFET
3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
App Note [1] Biasing - The XP1044-QL requires power supply sequencing. Negative voltage supply (Vgg) needs to be turned on first and
then positive voltage can be applied to the drain (Vdd). When turning off the device, the positive supply (Vdd) should be turned off first and
then negative voltage (Vgg) can be removed.
The gate voltage is adjusted in order to set the drain current to the desired level. The gate voltage required to achieve a certain current can
vary over temperature and from one device to another due to pinch-off voltage variation. Constant drain current can be achieved by
Implementing an active bias circuit which allows for temperature compensation and eliminates the effect of pinch-off voltage variation.
Typical cost of such applications is $0.15.
Physical Dimensions:
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: [phone] Fax: [phone] mimixbroadband.com
Page 6 of 8
Characteristic Data and Specifications are subject to change without notice. ©2007 Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.