XP1006-BD Datasheet, PDF (6/8 Pages) Mimix Broadband – 8.5-11.0 GHz GaAs MMIC Power Amplifier

8.5-11.0 GHz GaAs MMIC
Power Amplifier
August 2007 - Rev 03-Aug-07
Bias Arrangement
Vd1a
Vgg
Vd2a
2 34
56
7
8
Vd3a
9
RF In 1
XP1006
MIMIX BROADBAND
10004966
TNO COPYRIGHT 2005
X=4940
Y=4290
10 RF Out
P1006-BD
Bypass Capacitors - See App Note [2]
Vgg
Vd1a,2a,3a
RF In
XP1006
RF Out
18 17 16
15 14
13
Vd1b
12
Vd2b
11
Vd3b
Vd1b,2b,3b
App Note [1] Biasing - This device is biased by applying Vd(1,2,3) = 8.0V with a total drain current I(total)=4.2 A. The gate bias can be applied in one
of three ways by using either Vgg (Pin #2), Vgr (pin #18) or Vg (pin #3 or #17).
1) Vgg (pin #2) applies a scaled gate voltage to all FETs through a FET / resistor divider (Vto compensated) bias network. Applying -5V to Vgg (pin #2)
will typically draw 4.2A with no further adjustment necessary. Wafer lot variation may result in some devices experiencing higher or lower drain
currents than the typical 4.2A.
2) Vgr (pin #18) applies a scaled gate bias to all FETs through a resistive divider network. Applying -5V to Vgr (pin #18) will typically draw 4.2A,
however, the gate bias will need to be actively adjusted to regulate the desired drain current.
3) Vg (pin #3 or pin #17) provides a direct gate bias input to all the MMIC stages. This method of biasing allows the user to control the total drain
current, without the scaling factor. The typically gate bias for operation is -0.9V.
Make sure to sequence the applied voltage to ensure that negative gate bias is available before applying the positive drain supply.
App Note [2] Bias Arrangement - Each DC pad (Vd1,2,3 and Vg1,2,3 or Vgg) needs to have DC bypass capacitance (~100-200 pF) as close to the
device as possible. Additional DC bypass capacitance (~0.01 uF) is also recommended.
App Note [3] Further Information - More application information is available on our website under Products -> Product Support ->
Application Notes. Please refer to “Application of Mimix Broadband's X-Band, 10-Watt Power Amplifier MMIC” and “Epoxy Die Attach Considerations
for HPA MMICs.”
Mimix Asia, Inc. (a subsidiary of Mimix Broadband, Inc.)
3F, 3-2 Industry East IX Road, Science-Based Industrial Park • Hsinchu, Taiwan, R.O.C
Tel [phone] • Fax [phone] • mimixbroadband.com
Characteristic Data and Specifications are subject to change without notice. ©2007 Mimix Broadband, Inc.
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