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LM239ADT 数据表(PDF) 7 Page - STMicroelectronics |
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LM239ADT 数据表(HTML) 7 Page - STMicroelectronics |
7 / 10 page LM139,A-LM239,A-LM339,A 7/10 TYPICAL SINGLE (continued) TWO-DECADE HIGH-FREQUENCY VCO LIMIT COMPARATOR SPLIT-SUPPLY APPLICATIONS ZERO CROSSING DETECTOR CRYSTAL CONTROLLED OSCILLATOR COMPARATOR WITH A NEGATIVE REFERENCE VCC Output 1 Output 2 VCC 100k Ω 3k Ω 5.1k Ω VCC /2 VCC /2 0.01 µ F 500pF 100k Ω 0.1 µF 20k Ω 50k Ω Frequency control voltage input vcontrol VCC =+30V +250mV Vcontrol +50V 700 Hz f 100kHz o 20k Ω 3k Ω 1/4 LM139 1/4 LM139 1/4 LM139 10k Ω e I ~ RS 2RS V(ref) high 2RS V(ref) low 2N 2222 (12V) V CC Lamp 1/4 LM139 1/4 LM139 15V 5.1k Ω e o e I ~ 15V 1/4 LM139 2k Ω 0.1 µF 200k Ω f = 100kHz eo =15V VCC VCC 0 100k Ω 200k Ω 1/4 LM139 15V 5.1k Ω e o e I ~ 15V 5V 1/4 LM139 |
类似零件编号 - LM239ADT |
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类似说明 - LM239ADT |
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