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Related Manuals for MFJ MFJ-4416C
Summary of Contents for MFJ MFJ-4416C
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Page 2: Table Of Contents
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual Contents INTRODUCTION & FEATURES ......................3 INTRODUCTION ..........................3 FEATURES ............................3 Adjustable Output Voltage: ......................3 Selectable Minimum Input Voltage:....................3 Audio Alert Feature:........................3 External Boost Enable: ........................4 Remote Jack:..........................4 TYPICAL SPECIFICATIONS......................4 EASY START INSTRUCTIONS......................4 SYSTEM CONTROLS AND INDICATORS..................5... -
Page 3: Introduction & Features
Selectable Minimum Input Voltage: You have the choice of the minimum input voltage the MFJ-4416C will operate on. Set from the factory at 10 volts you can select 9 or 11 volts. This keeps you from possibly over discharging your battery and damaging it. It is even latchable so once the voltage drops the Boost Regulator stop until you remove the power from the unit. -
Page 4: External Boost Enable
EASY START INSTRUCTIONS 1. Prepare input and the output cables for the MFJ-4416C. It is recommended to use #12 or larger wire for both the input and output cables. MFJ has cables available for the output side for use with most HF and VHF/UHF radios. -
Page 5: System Controls And Indicators
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual SYSTEM CONTROLS AND INDICATORS Top Inputs and Outputs: Figure 1 Top View 1. 5-Way High Power Binding Post Negative Input. 2. Anderson PowerPole Negative Input. 3. Anderson PowerPole Positive Input. 4. 5-Way High Power Binding Post Positive Input. -
Page 6: Side A Controls And Indicators
RF Sense feature or the Enabled/Disabled Switch is in the Enabled position. 3. Low Battery LED: The LED Illuminates the low voltage trip threshold has been crossed. If the latching feature is enabled the MFJ-4416C must be removed from the input voltage source and allowed to discharge to reset the cutout. -
Page 7: Connection And Operation
DC Power Connection: The MFJ-4416C is designed to boost voltages as low as 9V up to 13.8V at up to 25A. At high currents the voltage drop from even large gauge wires can be appreciable for even short runs. It is recommended to use a large gauge wire (such as #8 or #10) to reduce the voltage drop. -
Page 8: Remote Control
MFJ-4416C Super Battery Booster Instruction and Technical Manual Not all radios are set up to be able to key the MFJ-4416C. In those cases the boost button will have to be set to ON. Remote Control: The optional Remote Control MFJ-4416BRC can be used to monitor and control the MFJ-4416C allowing the MFJ-4416C to be mounted in an out of the way place in the vehicle. -
Page 9: Operation
The MFJ-4416C is not designed to boost the voltage of a 6V electrical system up to 13V and will not run on a positive ground system. It will also not reduce the voltage of a 24V or higher system to 13V. -
Page 10: Hdr3 Audio Alert Enable
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual HDR3 Audio Alert Enable: This jumper enables the audio alert. Any time the voltage drops below the level set by the input voltage cutout you will be alerted by the Piezo buzzer. Default is jumpered. -
Page 11: Input Filtering
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual Input Filtering: The input filter consists of C13 which provides EMI filtering followed by L1, C12 and C11 which are a low pass filter at the alternator which range. C8, C9 and C10 provide low ESR energy storage which helps to suppress input noise while providing energy during input low voltage transient periods. -
Page 12: External Keying Inputs
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual External Keying Inputs: Four external signals may enable the SMPS boost. Two negative going signals are inputted through X1 pins 1 and 2. These signals are ORed by D6 and pulled up by R30. -
Page 13: In Case Of Difficulty
MFJ Technical Service at 662-323-0549 or the MFJ Factory at 662-323-5869. You will be best helped if you have your unit, manual and all information on your station handy so you can answer any questions the technician may ask. -
Page 14: Schematics
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual Schematics Figure 10 SMPS Section Schematic Version 0A... -
Page 15: Figure 11 Control Section Schematic
_____________________________________________________________________ MFJ-4416C Super Battery Booster Instruction and Technical Manual Figure 11 Control Section Schematic Version 0A... -
Page 16: Full 12-Month Warranty
MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ Enterprises, Inc. and purchased from an authorized dealer or directly from MFJ Enterprises, Inc. to be free from defects in material and workmanship for a period of 12 months from date of purchase provided the following terms of this warranty are satisfied.
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