
MFJ-926B HF Automatic Remote Antenna Tuner
Instruction Manual
2010 MFJ Enterprises, Inc.
2
Features
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Automatically matches antennas from 6 to 1600 ohms impedance (SWR up to 32:1)
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Handles 200 watts SSB/CW
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Tune in less than 15 seconds, usually less than 5 seconds
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Over 2500 non-volatile memories for tuner settings
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Highly efficient switching L-network matching circuit
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1.8 to 30 MHz continuous frequency coverage
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Powered by DC voltage impressed on coax using built-in bias tee
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SO-239 coax fed antenna connector
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Connector for random wire or single wire antennas
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Included external bias tee for impressing DC voltage on the input coax
Specifications
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Impedance matching range: 6 to 1600 ohms
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SWR matching range: up to 8:1 for < 50 ohms and up to 32:1 for > 50 ohms
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Minimum power for tuning: 2 watts
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Maximum power while tuning: 100 watts with foldback, 20 watts without foldback
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RF power limit: 200 watts SSB/CW
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Frequency range: 1.8 to 30 MHz continuous coverage
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Capacitance range: 0 to 3961 pF nominal (256 values)
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Inductance range: 0 to 24.86
µ
H nominal (256 values)
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Relay rating: 10 amp 1000 volts
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Relay electrical life: 100,000 operations
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Relay mechanical life: 10 million operations
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Memory endurance: 1 million erase/write cycles
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Memory data retention: > 200 years
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Power requirements: 12 - 15 volts DC
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External bias tee DC interface: 2.1 × 5.5 mm coaxial plug, center pin positive
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Current consumption: 750 milli-amp or less
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Dimensions (approx.): 10.5 × 2.5 × 14.0 in. (width/height/depth)
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Weight (approx.): 1.0lb
†
Specifications and design are subject to change without notice.