24.0 GHz to 29.5 GHz, 5G, Microwave
Upconverter and Downconverter
Data Sheet
ADMV1018
FEATURES
GENERAL DESCRIPTION
RF input/output frequency range: 24.0 GHz to 29.5 GHz
2 upconversion modes
Direct conversion from differential baseband I/Q
Single-ended, complex IF to RF, single-sideband
upconversion
2 downconversion modes
Direct conversion from RF to differential baseband I/Q
downconversion
Single-ended complex IF image rejection conversion
LO input frequency range: 5 GHz to 15 GHz
LO doubler or quadrupler for up to 30 GHz
Matched, 50 Ω impedance, single-ended RF input and output
Matched, 50 Ω impedance single-ended LO input
Temperature compensation circuits to minimize
temperature variations
Programmable baseband I/Q common-mode voltage
Receiver and transmitter gain and power control through
fast settling DSA
The ADMV1018 is a silicon germanium (SiGe), microwave,
upconverter and downconverter optimized for 5G radio designs
operating in the 24.0 GHz to 29.5 GHz frequency range.
The upconverter offers two modes of frequency translation.
The device is capable of direct conversion to RF from
differential baseband inphase/quadrature (I/Q) input signals, as
well as single-sideband upconversion from complex
intermediate frequency (IF) inputs. The differential baseband
I/Q input path can be disabled, and modulated, single-ended,
complex IF signals from 2 GHz to 9.5 GHz can be fed to the IF
path. These signals can then be upconverted to 24.0 GHz to
29.5 GHz while rejecting the unwanted sideband by typically
greater than 25 dBc. The serial port interface (SPI) provides
adjustment of the quadrature phase to allow optimum sideband
rejection. In addition, the SPI interface allows powering down
the output envelope detector to reduce power consumption
when carrier feedthrough optimization is not necessary.
The downconverter offers two modes of frequency translation.
The device is capable of direct quadrature demodulation to
differential baseband I/Q output signals, as well as image
rejection downconversion to a single-ended complex IF output
carrier frequency. The I/Q baseband output common-mode
voltage is programmable between 0.75 V and 2.15 V. The SPI
provides fine adjustment of the quadrature phase to optimize
I/Q demodulation performance. Alternatively, the baseband
I/Q outputs can be disabled, and the I/Q signals can be passed
through an on-chip, active balun to provide two, single-ended,
complex IF outputs between 2 GHz and 9.5 GHz. When the
device is used as an image rejecting downconverter, the
unwanted image term is typically rejected to greater than 25 dBc.
The ADMV1018 offers a square law power detector to allow
monitoring of the power levels at the mixer inputs. The
detector output provides closed-loop control of the RF digital
step attenuator (DSA) via an external automatic gain control
(AGC) loop.
Low phase variation vs. gain control
Fast TDD switching time via external pins
Upconversion mode
Sideband rejection and carrier feedthrough optimization
Envelope detector for LO feedthrough calibration
Downconversion mode
Image rejection and I/Q imbalance optimization
Baseband I/Q dc offset correction
Receiver mixer power detector for receiver gain setting
LO chain features
×2 and ×4 modes
Variable gain to accommodate various LO drive strength
values
>360° phase control shifter for LO synchronization, separate
settings for receiver and transmitter modes
Programmable via a 3-wire SPI interface
60-terminal, 9 mm × 8 mm, LGA package
Common-mode input pin to track desired common mode to
ADC, 0.75 V to 2.15 V voltage range
The ADMV1018 upconverter and downconverter is housed in
a compact, thermally enhanced, 9 mm × 8 mm, land grid array
(LGA) package. This LGA package enables the ability to heat-
sink the ADMV1018 from the top of the package for the most
efficient thermal heatsinking. The ADMV1018 operates over
the −40°C to +85°C case temperature range.
APPLICATIONS
5G applications
Point to point microwave radios
Radar and electronic warfare systems
Instrumentation and automatic test equipment (ATE)
Throughout the figures in this data sheet, Rx means receiver
and Tx means transmitter.
For more information about the ADMV1018, contact Analog Devices, Inc., at mmWave5G@analog.com.
Rev. SpA
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Devices. Trademarks and registeredtrademarks are the property of their respective owners.
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Tel: 781.329.4700 ©2019–2021 Analog Devices, Inc. All rights reserved.
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