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NE555 PRECISION TIMER ANALOG WAVEFORM GENERATOR IC - DIP 8 PACKAGE
Timing From Microseconds to Hours
producing accurate time delays or oscillation
Astable or Monostable Operation
Adjustable Duty Cycle
TTL-Compatible Output Can Sink or Source Up to 200 mA
PT2399 CD2399 AUDIO ECHO PROCESSOR IC - DIP -16 PACKAGE
PT2399 is an echo audio processor IC utilizing CMOS Technology which is equipped with ADC and
DAC, high sampling frequency and an internal memory of 44K Digital processing is used to generate
the delay time, it also features an internal VCO circuit in the system clock, thereby, making the frequency easily adjustable. PT2399 boast of very low distortion (THD<0.5%) and very low noise
(No<-90dBV), thus producing high quality audio output. The pin assignments and application circuit
are optimized for easy PCB layout and cost saving advantage.
LM3915 10 SEGMENT LED DOT / BAR DISPLAY DRIVER IC - DIP 18 PACKAGE
3 dB/step, 30 dB range
Drives LEDs, LCDs, or vacuum fluorescents
Bar or dot display mode externally selectable by user
Expandable to displays of 90 dB
Internal voltage reference from 1.2V to 12V
Operates with single supply of 3V to 25V