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LTC5562

更新时间: 2023-12-20 18:45:03
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
26页 562K
描述
LF至7MHz宽带低功率有源混频器

LTC5562 数据手册

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LTC5562  
LF–7GHz  
Wideband Low Power Active Mixer  
FEATURES  
DESCRIPTION  
The LTC®5562 is a versatile low power mixer optimized for  
applications requiring wide input bandwidth, low distor-  
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Wideband Frequency Range to 7GHz  
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Low Power: 2.7V to 3.6V, 40mA Supply  
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Supply Current Adjustable Down to 15mA  
Up or Downconversion  
OIP3: +20dBm at 3.6GHz Out  
Conversion Gain: +1dB  
Low LO Drive: 4dBm to +2dBm  
LO Impedance Match Maintained During Shutdown  
Enable Control, 10µA Shutdown Current  
2kV ESD (HBM and CDM)  
–40°C to 105°C Operation  
Small 2mm × 2mm 10-Lead QFN Package  
tion and low LO leakage. This mixer can be used for either  
upconvertingordownconvertingapplications,andprovides  
a nominal conversion gain of 1dB. The differential input is  
optimized for use with a 1:1 transmission-line balun, the  
input is 50Ω broadband matched from 30MHz to 7GHz.  
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The LO can be differential or single-ended and requires  
only –1dBm of LO power to achieve excellent distortion  
and noise performance. The impedance match at the LO  
inputismaintainedduringshutdown.Thismixerofferslow  
LO leakage, greatly reducing the need for output filtering  
to meet LO suppression requirements.  
APPLICATIONS  
The LTC5562 uses a 3.3V supply for low power consump-  
tion and the enable control allows the part to be shut  
down for further power savings. The total mixer current  
is adjustable, by simply adding a resistor in series with  
theLGNDpin, forapplicationsrequiringevenlowerpower.  
All registered trademarks and trademarks are the property of their respective owners.  
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Portable Radios  
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Portable Test Instruments  
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Wireless Infrastructure  
Fixed Wireless Access Equipment  
VHF & UHF Mixer  
Wireless Repeaters  
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TYPICAL APPLICATION  
3.6GHz Upconverting Mixer  
Conversion Gain, OIP3 and NF vs fOUT  
PLO = –2dBm, ITOTAL = 35mA (R1 = 5Ω)  
24  
22  
20  
18  
16  
14  
12  
10  
8
6
4
2
0
30  
28  
26  
24  
22  
20  
18  
16  
14  
12  
10  
8
1µF  
10nF  
V
CC  
EN  
EN GND  
BIAS  
OIP3  
3.6nH 3.6nH  
V
T2  
CC  
1.2pF  
1nF  
1nF  
T1  
f
= 240MHz  
IN  
T
= – 40°C  
C
240MHz  
IN  
4:1  
+
+
OUT  
IN  
IN  
1:1  
25°C  
85°C  
105°C  
LOW SIDE LO  
V
50Ω  
= 3.3V  
CC  
+
2.7nH  
1.2pF  
3.6GHz  
OUT  
OUT  
TC1-1-13  
LTC5562  
+
NCS4-442  
R1  
LGND  
NF  
+
GAIN  
LO  
LO  
5562 TA01a  
6
1.5nH  
100pF  
–2  
4
0.9pF  
3400  
3600  
3800  
4000  
4200  
4400  
OUTPUT FREQUENCY (MHz)  
5562 TA01a  
10pF  
3.36GHz  
LO  
50Ω  
5562f  
1
For more information www.linear.com/LTC5562  

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