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Professional
quality audio compression and limiting maintains 100% modulation
regardless of audio input level. Adjustable 1:1 db to 5:1 db
compression ratio. Audio levels above the adjustable limit
level are compressed at 15:1 db ratio.
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Audio
frequency response of modulated RF carrier is 20Hz to 20kHz ±1 dB.
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Jumper
selectable flat or treble-boost audio curves. Treble boost pre-emphasis
will compensate for the typically poor high frequency audio response of
most AM radios.
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Crystal
controlled frequency synthesizer covers entire AM broadcast band in 9 kHZ
or 10 kHz steps, depending on order option.
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100
milliwatt final input power, the maximum allowed by FCC Part 15 for
legal, license-free operation
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Unique
modulator and RF output stages yield high quality modulation right up to
100%.
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Tunable
antenna matching circuit matches output to short antennas without the
need for additional loading coils.
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Two
audio input jacks are mixed to convert a stereo source to mono or to mix
two separate mono sources.
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Two
voltage regulators and an on-board, RF-bypassed, bridge rectifier assure
clean, hum-free power. The matching AC adapter wall transformer is
included.
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Very
low AC power consumption for worry-free continuous operation.
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Highest
quality double-sided printed circuit board has top and bottom solder
masks and a top silk screen legend to clearly identify component
locations.
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Designed
for ease of assembly. All components mount on the printed circuit
board. No time consuming discrete wiring required.
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High-impact
plastic enclosure. Front and rear panels are pre-drilled and screen
printed.
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The
instruction manual guides you, step-by-step, through the assembly process
to reduce the chance of errors during kit assembly.
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Kit
is educational and fun to build.
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