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| AU2903 |
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 PHILIPS
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Philips Semiconductors Linear Products Product specification AU2903 Low power dual voltage comparator August 31, 1994 303 TYPICAL APPLICATIONS 100k Ω 500pF 10 0.1 µF 20k Ω 50k Ω 20k Ω V + /2 V + 30k Ω 5.1k Ω 700k Ω V – /2 – + + VC FREQUENCY CONTROL VOLTAGE INPUT 3.0k Ω OUTPUT 1 OUTPUT 2 – + – + + VREF HI + VIN 2RS RS 2RS + V (12VDC) 10K Ω LAMP 2N2222 + – + – + – + 5VDC 360 100 100k + – + 5VDC 360 100 100k + – + 5VDC 360 100 100k + – + 5VDC 360 100 100k + VREF 4 + VREF 3 + VREF 2 + VREF 1 VO + – V+ 2.0k Ω V+ 0 VO 1 – 100kHz CRYSTAL 200k Ω 200k Ω 100k Ω 0.1 µF Crystal–Controlled Oscillator Limit Comparator Two–Decade High–Frequency VCO Visible Voltage Indicator NOTES: V+ = 30VDC + 250m VDC < VC = 50VDC 700H < fO = 100kHz NOTE: Input of unused comparators should be grounded. + – TTL–to–MOS Logic Converter 5VDC +VREF 1.4VDC 10K Ω VO o -12V +VREF LOW V+ .01 µF –12VDC |
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