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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDF8599TH датащи(PDF) 13 Page - NXP Semiconductors |
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TDF8599TH датащи(HTML) 13 Page - NXP Semiconductors |
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13 / 52 page  TDF8599_1 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 01 — 13 November 2008 13 of 52 NXP Semiconductors TDF8599 Class-D power amplifier with load diagnostics 8.4.2 Phase staggering (Slave mode) In Slave mode with phase lock operation enabled, a phase shift with respect to the incoming clock signal can be selected to distribute the switching moments over time. In non-I2C-bus mode, 1 ⁄ 2 π phase shift can be programmed using pin MOD. In I 2C-bus mode, five different phase shifts (1 ⁄ 4 π, 1 ⁄ 3 π, 1 ⁄ 2 π, 2 ⁄ 3 π, 3 ⁄ 4 π) can be selected using the I 2C-bus bits (IB3[D1:D3]). See Figure 9 for selection of the phase shift in non-I2C-bus mode with pin MOD. An additional capacitor must be connected to pin SSM when 1 ⁄ 4 π phase shift is used (see Figure 9). An example of using 1 ⁄ 2 π phase shift for BD modulation is shown in Figure 13. a. Bridge half 1. b. Bridge half 2 switched in the opposite phase to bridge half 1. Fig 11. AD modulation a. Phase switching cycle. b. Inverted signal to the modulator. Fig 12. BD modulation 001aai779 INxP OUTxP 001aai780 INxN OUTxN 001aai781 INxP OUTxP OUTxP, OUTxN 001aai782 INxN OUTxN |
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