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LT5512 PDF预览

LT5512

更新时间: 2024-02-21 14:51:49
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 260K
描述
1kHz-3GHz High Signal Level Down-Converting Mixer

LT5512 技术参数

是否Rohs认证: 不符合生命周期:Contact Manufacturer
Reach Compliance Code:unknown风险等级:5.85
颜色@波长:Red最大正向电压:3 V
JESD-609代码:e0透镜类型:WHITE DIFFUSED
最高工作温度:85 °C最低工作温度:-40 °C
总高度:8.6 mm峰值波长:700 nm
最大反向电压:5 V子类别:Visible LEDs
端子面层:Tin/Lead (Sn/Pb)Base Number Matches:1

LT5512 数据手册

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LT5512  
1kHz-3GHz High Signal Level  
Down-Converting Mixer  
U
FEATURES  
DESCRIPTIO  
The LT®5512 is a broadband mixer IC optimized for high  
linearity downconverter applications including cable and  
wireless infrastructure. The IC includes a differential LO  
buffer amplifier driving a double-balanced mixer. An inte-  
grated RF buffer amplifier improves LO-RF isolation and  
eliminates the need for precision external bias resistors.  
Broadband RF, LO and IF Operation  
High Input IP3: +21dBm at 900MHz  
+17dBm at 1900MHz  
Typical Conversion Gain: 1dB at 1900MHz  
SSB Noise Figure: 11dB at 900MHz  
14dB at 1900MHz  
Integrated LO Buffer: Insensitive to LO Drive Level  
The LT5512 is a high-linearity alternative to passive diode  
mixers. Unlike passive mixers, which have conversion  
loss and require high LO drive levels, the LT5512 delivers  
conversion gain and requires significantly lower LO drive  
levels.  
Single-Ended or Differential LO Signal  
High LO-RF Isolation  
Enable Function  
4.5V to 5.25V Supply Voltage Range  
4mm × 4mm QFN Package  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
APPLICATIO S  
Cellular/PCS/UMTS Infrastructure  
CATV Downlink Infrastructure  
High Linearity Mixer Applications  
ISM Band Receivers  
U
TYPICAL APPLICATIO  
High Signal-Level Downmixer for Wireless Infastructure  
Output IF Power and Output IM3 vs  
RF Input Power (Two Input Tones)  
5V  
10  
100pF  
1µF  
1850MHz  
TO  
1910MHz  
1850MHz  
TO  
1910MHz  
0
EN  
+
V
V
CC2  
CC1  
IF  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
OUT  
1:2  
IF  
VGA  
70MHz  
(TYP)  
LT5512  
RF  
LNA  
220nH  
+
IF  
IF  
1.5pF  
LTC1748  
ADC  
100pF  
IM3  
8.2pF  
RF  
220nH  
T
= 25°C  
A
P
= –10dBm  
= 1830MHz  
= 1899.9MHz  
LO  
f
f
f
LO  
RF1  
RF2  
+
LO  
LO  
= 1900.1MHz  
–21 –18 –15 –12 –9 –6 –3  
0
3
6
5.6nH  
RF INPUT POWER (dBm/TONE)  
100pF  
100pF  
LO  
INPUT  
–10dBm  
5512 F01b  
5512 F01a  
5512f  
1

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