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DC2070A

Description
series 混频器 For Use With LTC5577
CategoryTopical application    Wireless rf/communication   
File Size365KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
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DC2070A Overview

series 混频器 For Use With LTC5577

DC2070A Parametric

Parameter NameAttribute value
category
MakerADI
series-
Packagebox
typeMixer
frequency300MHz ~ 6GHz
Supporting use/related productsLTC5577
What's includedplate
Basic product numberDC2070
LTC5577
300MHz to 6GHz
High Signal Level Active
Downconverting Mixer
FeaTures
n
n
n
n
n
n
n
n
n
n
n
DescripTion
The
LTC
®
5577
active mixer is optimized for RF downcon-
verting applications that require high input signal handling
capability and wide bandwidth. The wideband IF output uses
external resistors to set the output impedance, allowing
the flexibility to match directly into differential IF loads,
such as filters and amplifiers. The part is characterized
and specified with a 100Ω differential output impedance,
although it can be used with output impedances ranging
from 50Ω to 400Ω, with higher gain and reduced IIP3
and P1dB at the higher impedance levels. The IF output
is usable up to 1.5GHz.
In receiver applications, the high input P1dB and IIP3 allow
the use of higher gain low noise amplifiers, resulting in
higher receiver sensitivity. Integrated transformers on the
RF and LO inputs provide single-ended 50Ω interfaces,
while minimizing the solution size.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
+30dBm IIP3
+15dBm Input P1dB
0dB Conversion Gain
Wideband Differential IF Output
Very Low 2
×
2 and 3
×
3 Spurs
IF Frequency Range Up to 1.5GHz
Low LO-RF Leakage
LO Input 50Ω Matched when Shutdown
–40°C to 105°C Operation (T
C
)
Very Small Solution Size
16-Lead (4mm
×
4mm) QFN package
applicaTions
n
n
n
Wireless Infrastructure Receivers
DPD Observation Receivers
CATV Infrastructure
Typical applicaTion
Wideband Downconverting Mixer with 1GHz IF Bandwidth and
+15dBm Input P1dB into 100Ω Load
100
50
IF LOAD
50
33
1nF
30
27
RF = 1.6GHz TO 2.6GHz
24 LO = 1.59GHz/0dBm
Z
RF
= 50
Z
IF
= 100 DIFFERENTIAL
21
T
C
= 25°C
18
15
IADJ
5577 TA01a
Voltage Conversion Gain and
IIP3 vs IF Output Frequency
IIP3
9
8
7
6
5
4
G
V
3
G
V
(dB)
1nF
560nH
115
IF
+
RF
BIAS
EN
EN
V
CC
1nF
560nH
115
IF
LO
8.2pF
RF
0.7pF
LTC5577
3.9pF
1nF
LO
IIP3 (dBm)
3.3V
180mA
12
2
10 110 210 310 410 510 610 710 810 910 1010
IF OUTPUT FREQUENCY (MHz)
5577 TA01b
For more information
www.linear.com/LTC5577
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