MFJ-784B Instruction Manual
Introduction Error! Main Document Only.-9
Unit Specifications
General Specifications
Processor
: Analog Devices ADSP-2105. Data width - 16 bits. Clock speed -
12 MHz.
Bypass
: The MFJ-784B DSP filter has a direct audio bypass when power
switch is in "off" position.
Input/Output Specifications
Power
: The maximum current demand will be less than 500 mA at maximum
volume but will always be more than 175 mA.
Filtered Audio Out
: This jack provides approximately 1.5 volts P-P into 600
ohm (or higher) impedance loads. The output voltage of this jack is
dependent on Filtered Audio Adjust.
Receive Audio In
: This jack should be driven in a range of 1 to 2.8 volts P-P
when Receive Audio Adjust is set to maximum sensitivity. When
Receive Audio Adjust is set to minimum sensitivity, the DSP requires a
very high input voltage. Input circuit loading is 10 K ohms nominal.
Audio Output
: Audio output power is
≈
2.5 watts into a 6 ohm load with the
MFJ-1315 power supply. Audio frequency response is from 250 to
3100 Hz (-3 dB).
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