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參數資料
| 型號： | XP1001 |
| 廠商： | Mimix Broadband, Inc. |
| 英文描述： | 26.0-40.0 GHz GaAs MMIC Power Amplifier |
| 中文描述： | 26.0-40.0 GHz的砷化鎵單片功率放大器 |
| 文件頁數： | 4/6頁 |
| 文件大?。?/td> | 220K |
| 代理商： | XP1001 |
26.0-40.0 GHz GaAs MMIC
Power Amplifier
Page 4 of 6
App Note [1] Biasing
-
As shown in the bonding diagram, it is recommended to separately bias the upper and lower amplifiers at
Vd(1+2)=5.5V Id(1+2)=215mA, and Vd(3+4)=5.5V Id(3+4)=215mA, although best performance will result in separately biasing Vd1
through Vd4, with Id1=Id3=71mA, Id2=Id4=144mA. It is also recommended to use active biasing to keep the currents constant as the
RF power and temperature vary; this gives the most reproducible results. Depending on the supply voltage available and the power
dissipation constraints, the bias circuit may be a single transistor or a low power operational amplifier, with a low value resistor in
series with the drain supply used to sense the current. The gate of the pHEMT is controlled to maintain correct drain current and thus
drain voltage. The typical gate voltage needed to do this is -0.5V. Typically the gate is protected with Silicon diodes to limit the
applied voltage. Also, make sure to sequence the applied voltage to ensure negative gate bias is available before applying the
positive drain supply.
App Note [2] On-board Detector
-
The output signal of the power amplifier is coupled via a 16dB directional coupler to a detector,
which comprises a diode connected to the signal path, and a second diode used to provide a temperature compensation signal. The
common bias terminal is Vd5, and is nominally set to forward bias both diodes. The bias is normally provided in 1 of 2 ways. The Vd5
port can be connected directly to a 1V bias, and given the internal series resistance, results in about 1mA of bias current. Alternatively,
Vd5 can be tied to the same voltage as Vd1-Vd4 through an external series resistor Rd in the range 3 - 6k
.
App Note [3] Bias Arrangement
-
For Parallel Stage Bias (Recommended for general applications) -- The same as Individual Stage Bias but all the drain or gate pad DC bypass
capacitors (~100-200 pF) can be combined. Additional DC bypass capacitance (~0.01 uF) is also recommended to all DC or combination (if
gate or drains are tied together) of DC bias pads.
For Individual Stage Bias -- Each DC pad (Vd1,2,3,4 and Vg1,2,3,4) 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.
These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry.
Backplate
Temperature
55 deg Celsius
75 deg Celsius
95 deg Celsius
Channel
Temperature
127 deg Celsius
147 deg Celsius
167 deg Celsius
FITs
1.10E+00
9.71E+00
7.04E+01
MTTF Hours
9.11E+08
1.03E+08
1.42E+07
Rth
-
30.1
°
C/W
-
Bias Conditions:
Vd1=Vd2=Vd3=5.5V, Id1=Id3=72 mA and Id2=Id4=144 mA
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Characteristic Data and Specifications are subject to change without notice.
2004 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.
P1001
May 2005 - Rev 05-May-05
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XP1001000-01 | 功能描述:以太網模塊 XPORT XE WITHO RoHS:否 制造商:Lantronix 產品:Device Servers 數據速率:300 bps to 921.6 kbps, 10 Mbps, 100 Mbps 接口類型:Ethernet, Serial 工作電源電壓:5 V to 15 V 工作電源電流:133 mA to 400 mA 最大工作溫度:+ 70 C |
| XP100-1000-03 | 制造商:Lantronix Inc 功能描述:Serial to Ethernet Server CMOS Technology 10Mbps/100Mbps |
| XP1001000-03 | 功能描述:以太網模塊 XPORT XE - STANDARD NO ENCRYPTION RoHS:否 制造商:Lantronix 產品:Device Servers 數據速率:300 bps to 921.6 kbps, 10 Mbps, 100 Mbps 接口類型:Ethernet, Serial 工作電源電壓:5 V to 15 V 工作電源電流:133 mA to 400 mA 最大工作溫度:+ 70 C |
| XP1001000-03R | 功能描述:以太網模塊 XPort XE Ext. Temp without Encryption RoHS:否 制造商:Lantronix 產品:Device Servers 數據速率:300 bps to 921.6 kbps, 10 Mbps, 100 Mbps 接口類型:Ethernet, Serial 工作電源電壓:5 V to 15 V 工作電源電流:133 mA to 400 mA 最大工作溫度:+ 70 C |
| XP1001000-04R | 功能描述:以太網模塊 XPort XE Ext. Temp. without Encryption RoHS:否 制造商:Lantronix 產品:Device Servers 數據速率:300 bps to 921.6 kbps, 10 Mbps, 100 Mbps 接口類型:Ethernet, Serial 工作電源電壓:5 V to 15 V 工作電源電流:133 mA to 400 mA 最大工作溫度:+ 70 C |
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