LEVEL HOLD AND ONE SHOT 128 NOTES DUAL TONE MELODY GENERATOR

[Super Device] General Description SD998 series are SDs CMOS melody IC. This IC generates high quality dual tone output with digital envelope. Two kinds of operation modes can be selected, piezo-buzzer or speaker output. Features • 1.3V to 3.3V power supply. • Built in oscillator. • Dual D/A

3 V, level hold and one shot 128 notes dual tone melody generator

N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode

Features • Integrated gate protection diodes • Low noise figure • Low feedback capacitance • High cross modulation performance • Low input capacitance • High AGC-range • High gain • Lead (Pb)-free component • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC

Silicon N Channel MOSFET Tetrode (Short-channel transistor with high S/C quality factor For low-noise, gain-controlled input stages up to 1 GHz)

Features ● Short-channel transistor with high S/C quality factor ● For low-noise, gain-controlled input stages up to 1 GHz

Silicon N-Channel MOSFET Tetrode

Silicon N_Channel MOSFET Tetrode • Short-channel transistor with high S / C quality factor • For low-noise, gain-controlled input stage up to 1 GHz

IC intended for use as a PWM controller

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Silicon N-channel dual-gate MOS-FETs

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