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Analog Devices Semiconductor Electronic Components Datasheet

HMC985ALP4KE Datasheet

GaAs MMIC VOLTAGE - VARIABLE ATTENUATOR

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v01.0117
Typical Applications
The HMC985ALP4KE is ideal for:
• Point-to-Point Radio
• VSAT Radio
• Test Instrumentation
• Microwave Sensors
• Military, ECM & Radar
Functional Diagram
HMC985ALP4KE
GaAs MMIC VOLTAGE - VARIABLE
ATTENUATOR, 10 - 40 GHz
Features
Wide Bandwidth: 10 - 40 GHz
Excellent Linearity: +32 dB Input IP3
Wide Attenuation Range: 40 dB
No External Matching
24 Lead 4x4 mm SMT Package: 16 mm²
General Description
The HMC985ALP4KE is an absorptive Voltage
Variable Attenuator (VVA) which operates from 10
- 40 GHz and is ideal in designs where an analog
DC control signal must be used to control RF signal
levels over a 40 dB dynamic range. It features two
shunt-type attenuators which are controlled by two
analog voltages, Vctl1 and Vctl2. Optimum linearity
performance of the attenuator is achieved by first
varying Vctl1 of the first attenuation stage from -5V to
0V with Vctl2 fixed at -5V. The control voltage of the
second attenuation stage, Vctl2, should then be varied
from -5V to 0V with Vctl1 fixed at 0V.
if the Vctl1 and Vctl2 pins are connected together it is
possible to achieve the full analog attenuation range
with only a small degradation in input IP3 performance.
Applications include AGC circuits and temperature
compensation of multiple gain stages in microwave
point-to-point and VSAT radios.
Electrical Specifications, TA = +25 °C, Test Condition Vcntrl1 = Vcntrl2
Parameter
Insertion Loss [1]
Attenuation Range
Input Return Loss
Output Return Loss
Frequency
10 - 20 GHz
20 - 30 GHz
30 -40 GHz
10 - 20 GHz
20 - 30 GHz
30 - 40 GHz
10 - 40 GHz
10 - 40 GHz
Min.
TBD
TBD
TBD
Typ.
3.2
3.4
5
31
39
45
13
13
Input Third Order Intercept
(two-tone input Power = 10 dBm Each Tone) [2]
33
[1] Vcntl1 = Vcntl2 =-4.0V
[2] Vcntl1 = Vcntl2 =-2.0V worst case
Max.
TBD
TBD
TBD
Units
dB
dB
dB
dB
dB
dB
dB
dB
dBm
Information furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc.,
1 responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or 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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 1-800-ANALOG-D


Analog Devices Semiconductor Electronic Components Datasheet

HMC985ALP4KE Datasheet

GaAs MMIC VOLTAGE - VARIABLE ATTENUATOR

No Preview Available !

HMC985ALP4KE* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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EVALUATION KITS
HMC985ALP4K Evaluation Board
DOCUMENTATION
Data Sheet
HMC985ALP4KE: GaAs MMIC Voltage - Variable
Attenuator, 10 - 40 GHz Preliminary Data Sheet
DESIGN RESOURCES
HMC985ALP4KE Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
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Part Number HMC985ALP4KE
Description GaAs MMIC VOLTAGE - VARIABLE ATTENUATOR
Maker Analog Devices
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