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Analog Devices - Microwave Upconverter

Numéro de référence ADRF6780
Description Microwave Upconverter
Fabricant Analog Devices 
Logo Analog Devices 





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ADRF6780 fiche technique
Data Sheet
5.9 GHz to 23.6 GHz,
Wideband, Microwave Upconverter
ADRF6780
FEATURES
GENERAL DESCRIPTION
Wideband RF output frequency range: 5.9 GHz to 23.6 GHz
Two upconversion modes
Direct conversion from baseband I/Q to RF
Single sideband upconversion from real IF
LO input frequency range: 5.4 GHz to 14 GHz
LO doubler for up to 28 GHz
Matched 100 Ω balanced RF output, LO input, and IF input
High impedance baseband inputs
Sideband suppression and carrier feedthrough optimization
Variable attenuator and power detector for Tx power control
Programmable via 4-wire SPI interface
32-lead, 5 mm × 5 mm LFCSP microwave packaging
APPLICATIONS
Point to point microwave radios
Radar, electronic warfare systems
Instrumentation, automatic test equipment (ATE)
The ADRF6780 is a silicon germanium (SiGe) design, wideband,
microwave upconverter optimized for point to point microwave
radio designs operating in the 5.9 GHz to 23.6 GHz frequency
range.
The upconverter offers two modes of frequency translation. The
device is capable of direct conversion to radio frequency (RF)
from baseband I/Q input signals, as well as single sideband (SSB)
upconversion from a real intermediate frequency (IF) input
carrier frequency. The baseband inputs are high impedance and
are generally terminated off chip with 100 Ω differential back
terminations. The baseband I/Q input path can be disabled and
a modulated real IF signal anywhere from 0.8 GHz to 3.5 GHz can
fed into the IF input path and upconverted to 5.9 GHz to 23.6 GHz
while suppressing the unwanted sideband by typically better than
25 dBc. The serial port interface (SPI) allows tweaking of the
quadrature phase adjustment to allow optimum sideband
suppression. In addition, the SPI interface allows powering down
the output power detector to reduce power consumption when
power monitoring is not necessary.
The ADRF6780 upconverter comes in a compact, thermally
enhanced, 5 mm × 5 mm LFCSP package. The ADRF6780
operates over the −40°C to +85°C temperature range.
FUNCTIONAL BLOCK DIAGRAM
ALM VPLO LOIP AGND LOIN VPLO SEN SDTO
32 31 30 29 28 27 26 25
VDET 1
ADC
SPI 24 SCLK
VPDT 2
VPRF 3
LOG
DET
×1 ×2
BIAS
CONTROL
23 SDIN
22 VP18
AGND 4
21 VPBI
RFOP 5
AGND 6
VVA
QUAD
SPLITTER
BUFFER
20 IFIP
19 AGND
RFON 7
18 IFIN
AGND 8
ADRF6780 17 RST
9
VPRF
10
VATT
11
BBQN
12 13
BBQP BBIP
Figure 1.
14 15 16
BBIN VPBB PWDN
Rev. A
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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