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LM2903Q2T 数据表(PDF) 9 Page - STMicroelectronics |
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LM2903Q2T 数据表(HTML) 9 Page - STMicroelectronics |
9 / 18 page LM2903 Typical application schematics Doc ID 2470 Rev 10 9/18 Figure 20. Time delay generator Figure 21. Two-decade high-frequency VCO VCC 0 V(ref.) 10 k Ω 1/2 15 k Ω 200 k Ω 3 k Ω 3 k Ω 3 k Ω 10 M Ω V O2 V 03 O1 V 51 k Ω V1 V2 0.001 μF V C1 V3 VCC V C1 V1 V2 V3 0 0 1 t t 3 t 4 t 2 t t VCC t 0 t 1 VCC VCC VC C =+15V 1/2 LM2903 1/2 1 /2 10 k Ω 10 k Ω 10 k Ω 10 k Ω 10 M Ω 10 M Ω 51 k Ω 51 k Ω t 2 t o t 3 t o t A t o Input gating signal LM2903 LM2903 LM2903 V CC V CC 100 k Ω 3 k Ω 5.1 k Ω /2 V CC /2 0.01 μF 500 pF 100 k Ω 0.1 μF 20 k Ω 50 k Ω =+ 30V +250 mV Vcontrol +50 V 700 Hz f 100 kHz o 20 k Ω 3 k Ω 1/ 2 LM2903 1/ 2 LM2903 1/ 2 LM2903 Output 1 Output 2 V CC V CC Frequency control voltage input Vcontrol 10 k Ω |
类似零件编号 - LM2903Q2T |
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类似说明 - LM2903Q2T |
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