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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDA7491P датащи(PDF) 13 Page - STMicroelectronics |
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TDA7491P датащи(HTML) 13 Page - STMicroelectronics |
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13 / 42 page  TDA7491P Characterization curves Doc ID 13540 Rev 6 13/42 4 Characterization curves The following characterization curves were made using the TDA7491P demo board. The LC filter for the 4- Ω load uses components of 15 µH and 470 nF, whilst that for the 6-Ω load uses 22 µH and 220 nF and that for the 8- Ω load uses 33 µH and 220 nF. 4.1 With 4- Ω load at VCC = 10 V Figure 3. Output power vs. supply voltage Figure 4. THD vs. output power (1 kHz) Test Condition : Vcc = 5~10V, RL = 4 ohm, Rosc = 39k Ω, Cosc =100nF, f =1kHz, Gv = 30dB, Tamb = 25 ℃ Specification Limit: Typical: Po = 10W @THD =10% Po =8W @THD =1% 0 1 2 3 4 5 6 7 8 9 10 11 12 567 8 910 Output Power (W) Supply Voltage (V) Test Conditions: Vcc = 10V Rl = 4 ohm Rosc = 39k ohm Cosc = 100nF f = 1kHz Gv = 20 dB Tamb. = 25 ˚C Specification limits: Typical: Po = 12W, THD = 10% THD (%) Output Power (W) |
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