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參數(shù)資料
| 型號： | MRF1550T |
| 廠商： | Motorola, Inc. |
| 英文描述： | RF POWER FIELD EFFECT TRANSISTORS |
| 中文描述： | 射頻電源場效應晶體管 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 525K |
| 代理商： | MRF1550T |
9
MRF1550T1 MRF1550FT1
MOTOROLA RF DEVICE DATA
MOUNTING
The specified maximum thermal resistance of 0.75
°
C/W
assumes a majority of the 0.170
″
x 0.608
″
source contact on
the back side of the package is in good contact with an ap-
propriate heat sink. As with all RF power devices, the goal of
the thermal design should be to minimize the temperature at
the back side of the package. Refer to Motorola Application
Note AN4005/D, “Thermal Management and Mounting Meth-
od for the PLD–1.5 RF Power Surface Mount Package,” and
Engineering Bulletin EB209/D, “Mounting Method for RF
Power Leadless Surface Mount Transistor” for additional in-
formation.
AMPLIFIER DESIGN
Impedance matching networks similar to those used with
bipolar transistors are suitable for this device. For examples
see Motorola Application Note AN721, “Impedance Matching
Networks Applied to RF Power Transistors.” Large–signal
impedances are provided, and will yield a good first pass
approximation.
Since RF power MOSFETs are triode devices, they are not
unilateral. This coupled with the very high gain of this device
yields a device capable of self oscillation. Stability may be
achieved by techniques such as drain loading, input shunt
resistive loading, or output to input feedback. The RF test fix-
ture implements a parallel resistor and capacitor in series
with the gate, and has a load line selected for a higher effi-
ciency, lower gain, and more stable operating region.
Two–port stability analysis with this device’s
S–parameters provides a useful tool for selection of loading
or feedback circuitry to assure stable operation. See
Motorola Application Note AN215A, “RF Small–Signal
Design Using Two–Port Parameters” for a discussion of two
port network theory and stability.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關PDF資料 |
PDF描述 |
|---|---|
| MRF1550FT1 | SEE A3281LUA-T |
| MRF1550T1 | CHOPPER STABILIZED LATCH W/TIN PLATING |
| MRF18030A | SEE A3282ELHLT-T |
| MRF18030ALR3 | CHOPPER STABILIZED LATCH W/TIN PLATING |
| MRF18030ALSR3 | SEE A3282EUA-T |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MRF1550T1 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:RF POWER FIELD EFFECT TRANSISTORS |
| MRF157 | 功能描述:射頻MOSFET電源晶體管 5-80MHz 600Watts 50Volt Gain 21dB RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶體管極性: 頻率:1800 MHz to 2000 MHz 增益:27 dB 輸出功率:100 W 汲極/源極擊穿電壓: 漏極連續(xù)電流: 閘/源擊穿電壓: 最大工作溫度: 封裝 / 箱體:NI-780-4 封裝:Tray |
| MRF1570FNT1 | 功能描述:射頻MOSFET電源晶體管 RF LDMOS TO272-6N FLAT RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶體管極性: 頻率:1800 MHz to 2000 MHz 增益:27 dB 輸出功率:100 W 汲極/源極擊穿電壓: 漏極連續(xù)電流: 閘/源擊穿電壓: 最大工作溫度: 封裝 / 箱體:NI-780-4 封裝:Tray |
| MRF1570FT1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MRF1570N | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:RF Power Field Effect Transistors |
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