The upper portion and lower portion rise at about 2 db per octave from the mean low level at about 250 Hz. The output voltage of each tone source (tone wheel coils) follows a prescribed 'pre-emphasis' schedule varying from 3.2 to 8 mV. Fostex Model TT-15 Analog Portable Test Tone Oscillator. Uses a 9V battery for power (not included). The TT-15 tone generator has 5 selectable frequencies at 3 different output levels. Power Supply HP 6268B 1 Telegraph Key Any N/A 1 Attenuators BIRD 8340-100 or similar As R'qd HI-Z Audio Monitor Amp ARRL N/A 1 Wideband Noise. Two-Tone Audio Generator ARRL N/A 1 Power Attenuator BIRD 8329 1.
Categories: Oscilloscope, Spectrum Analyzer, Signal Generator, Frequency Counter, Sound Pressure Level Meter, Virtual Instrument, PC Instrument, RTA, FFT, Counter, LCR Meter, Multimeter, Spectrogram, Waterfall Plot, Frequency Response, Transfer FunctionView DetailsDownloadĤ-5 Two-Tone Transmit IMD Test Hook-Up 4-6 SSB Carrier and Unwanted Sideband Suppression Test Hook -Up (no changes from 4-5).
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