Datasheet 搜索 > NXP（恩智浦） > MRF1518N 数据手册 > MRF1518N 数据手册 5/7 页
￥ 0
MRF1518N 数据手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
封装:
PLD-3
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
原理图在P3P5
导航目录
MRF1518N数据手册
Page:
of 7 Go
若手册格式错乱，请下载阅览PDF原文件
EB212
5
RF Engineering Bulletin
Freescale Semiconductor
f
MHz
Z
source
Ω
Z
load
Ω
2110
2140
2170
2.65 + j1.52
2.64 + j2.04
2.71 + j1.80
2.45 + j2.08
2.39 + j2.51
2.16 + j3.14
Z
source
= Test circuit impedance as measured from
gate to gate, balanced configuration.
Z
load
= Test circuit impedance as measured
from drain to drain, balanced configuration.
Z
source
Z
load
Input
Matching
Network
Device
Under
Test
Output
Matching
Network
−
−+
+
Figure 9. Data Sheet Representation of the
MRF21180 Push - Pull Device
! S11 (input) file
! Circuit : MRF21180
! Author : John Q. Designer
! Date : 01/01/2003
! File : mrf21180_zin.s1p
!
! File Format:
# MHz Z RE IM
!
!
2110 2.45 -2.08
2140 2.39 -2.51
2170 2.16 -3.14
!
! End of File
Figure 10. S2P File of Impedances to Be Used
at Input Block
S
11
< −30 dB
50 Ω
Z (Device)
Z*
Data
Sheet
Balun
n:1
Matching
Network
Matching
Network
+
−
MSTEP
ab
MSTEP
ab
Figure 11. Generalized Schematic Used to Optimize Matching Network
PUSH–PULL DEVICES
The methods for taking impedance data on fixtures for
push - pull parts are similar to those for single-ended parts.
The representation for push - pull device impedances is shown
in Figure 9.
Push-pull device impedance data should be presented in
a data storage device, such as the one shown in Figure 10.
Note: The imaginary portion of the measured impedance
data has been conjugated from the data shown in Figure 9, the
same process as for the single-ended devices.
The methods for optimizing first- pass input and output side
matching networks for push–pull devices are the same as for
single -ended devices.
The circuit shown in Figure 11 is a generic matching circuit
that is used for an optimization of a first-pass input side
matching network. The balun shown in Figure 11 is an
idealized three-port device with a generic input/output
impedance ratio of n:1.
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
