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HMC981 is an active bias controller that automatically adjusts the gate voltage of an external amplifier to achieve constant bias current. It can be used to bias any enhancement and depletion type amplifiers operating in Class-A regime with Drain voltages from 4V to 12V and drain currents up to 200mA, offering a complete biasing solution.
Features
Automatic Gate voltage adjustment (No Calibration required)
Supply Voltage: 4V to 12V
Digital Voltage: 3.3V to 5V
Controls both Enhancement and Depletion type devices
Adjustable Drain Current up to 200mA
Sink/Source Gate Current Capability
Optional Internal negative voltage generation that can be disabled to use external negative rail
Fast Enable/Disable
Trigger-out Output for Daisy Chain Power-Up and Power-Down Sequencing
Typical Applications
• Microwave Radio & VSAT
• Military & Space
• Test Instrumentation
• Fiber Optic Modulator Driver Biasing
• CATV Laser Driver Biasing
• Cellular Base Station
• Wireless Infrastructure Equipment
Specifications
Attribute
Attribute Value
Manufacturer
Analog Devices
Product Category
RF Amplifiers
Series
HMC637AG
Type
Power Amplifier
Packaging
Tray
Unit-Weight
0.006653 oz
Mounting-Style
SMD/SMT
Package-Case
32-VFQFN Exposed Pad
Frequency
0Hz ~ 6GHz
Technology
GaAs
Frequency-Range
DC to 6 GHz
Number-of-Channels
1 Channel
Voltage-Supply
12V
Supplier-Device-Package
32-QFN (5x5)
Current-Supply
400mA
Gain
13dB
Test-Frequency
-
P1dB-Compression-Point
29dBm
Noise-Figure
5dB
RF-Type
General Purpose
Pd-Power-Dissipation
8.6 W
Maximum Operating Temperature
+ 85 C
Operating temperature range
- 40 C
Operating-Supply-Voltage
12 V
Operating-Supply-Current
400 mA
Operating-Frequency
DC to 6 GHz
NF-Noise-Figure
12 dB
P1dB-Compression-Point
29 dBm
Package-Case
QFN-32
OIP3-Third-Order-Intercept
44 dBm
Input-Return-Loss
12 dB
Descriptions
RF Amplifier IC VSAT 0Hz ~ 6GHz 32-QFN (5x5)
RF Amp Single Power Amp 6GHz 14V 32-Pin QFN EP T/R
RF Amplifier Distributed amp
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2005
Total Annual:
1000000-3000000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Our company, founded in 2005, has built long-term partnerships with numerous high-quality suppliers worldwide.
We specialize in providing customers with new and original products. To ensure quality, our technicians rigorously test all products before shipment, offering customers the strongest ass... Our company, founded in 2005, has built long-term partnerships with numerous high-quality suppliers worldwide.
We specialize in providing customers with new and original products. To ensure quality, our technicians rigorously test all products before shipment, offering customers the strongest ass...