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LT5560 PDF预览

LT5560

更新时间: 2024-11-12 14:57:39
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
28页 449K
描述
0.01MHz 至 4GHz 低功率有源混频器

LT5560 数据手册

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LT5560  
0.01MHz to 4GHz  
Low Power Active Mixer  
U
DESCRIPTIO  
FEATURES  
The LT®5560 is a low power, high performance broad-  
band active mixer. This double-balanced mixer can be  
driven by a single-ended LO source and requires only  
–2dBm of LO power. The balanced design results in  
low LO leakage to the output, while the integrated input  
amplifier provides excellent LO to IN isolation. The sig-  
nal ports can be impedance matched to a broad range  
of frequencies, which allows the LT5560 to be used as  
an up- or down-conversion mixer in a wide variety of  
applications.  
Up or Downconverting Applications  
Noise Figure: 9.3dB Typical at 900MHz Output  
Conversion Gain: 2.4dB Typical  
IIP3: 9dBm Typical at I = 10mA  
CC  
Adjustable Supply Current: 4mA to 13.4mA  
Low LO Drive Level: –2dBm  
Single-Ended or Differential LO  
High Port-to-Port Isolation  
Enable Control with Low Off-State Leakage Current  
Single 2.7V to 5V Supply  
Small 3mm × 3mm DFN Package  
U
TheLT5560ischaracterizedwithasupplycurrentof10mA;  
however, the DC current is adjustable, which allows the  
performance to be optimized for each application with a  
single resistor. For example, when biased at its maximum  
supply current (13.4mA), the typical upconverting mixer  
IIP3 is +10.8dBm for a 900MHz output.  
APPLICATIO S  
Portable Wireless  
CATV/DBS Receivers  
WiMAX Radios  
PHS Basestations  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
RF Instrumentation  
Microwave Data Links  
VHF/UHF 2-Way Radios  
U
TYPICAL APPLICATIO  
Low Cost 900MHz Downconverting Mixer  
2.7V TO 5.3V  
IF  
and IM3 Levels  
LO  
IN  
OUT  
1µF  
760MHz  
vs RF Input Power  
10  
0
IF  
1nF  
OUT  
100pF  
15nH  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
100pF  
1
8
7
6
+
LO  
LO  
4.7pF  
4.7pF  
270nH  
4.7pF  
270nH  
33pF  
IM3  
2
3
V
EN  
EN  
T
A
= 25°C  
CC  
+
IF  
OUT  
U1  
LT5560  
V
= 3V  
140MHz  
CC  
I
f
f
= 13.3mA  
= 760MHz  
= 140MHz  
CC  
LO  
+
IN  
OUT  
RF  
IN  
900MHz  
6.8nH  
IF  
100pF  
270nH  
4
5
–20 –18 –16 –14 –12 –10 –8 –6 –4 –2  
RF INPUT POWER (dBm)  
0
IN  
OUT  
PGND  
9
5560 TA02  
4.7pF  
15nH  
6.8nH  
5560 TA01  
5560f  
1

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