SPECIFICATION


14 channel: Filters - 4th order with bandpass filters at 1/3 octave spacing.
LED Bar Display PPMs for both speech and excitation.
Speech input: ampliiier:
mic input: sensitivity 1 mV
mic input: impedance l00k
line input: sensitivity 500 mV
line input: impedance lOk
tone control: +/- 6 dB Treble boost - Bass cut/Bass Boost - Treble cut
excitation input amplifier:
low input: sensitivity 10 mV
low input: impedance l00k
high input: sensitivity 500 mV
high input: impedance 10k
tone control: +/- 6 dB Treble boost-Bass cut/Bass boost-Treble cut


Internal excitation:
pseudo-random counter noise generator
2 oscillators - range: 15 Hz-250 Hz
pulse width: fully variabie

Slew rate control: 100:1 range. FREEZE by footswitch

Voiced/unvoiced detector:
AGC on noise generator to follow excitation signal

Output amplifier:
mixing controls for vocoder, speech bypass and external excitation bypass
Output level: 1V





                               .   ETI SEPTEMBER 1