User Manuals: ST TDA9112 Deflection Processor

Manuals and User Guides for ST TDA9112 Deflection Processor. We have 1 ST TDA9112 Deflection Processor manual available for free PDF download: Application Note

ST TDA9112 Application Note

ST TDA9112 Application Note (62 pages)

Brand: ST | Category: Computer Hardware | Size: 1 MB

Table of Contents

Table of Contents
2
Chapter 1 Main Characteristics of the TDA9112 Deflection Processor Family

5
Chapter 2 Special Features of the TDA9112A

7
Chapter 3 TDA9112 Family Pin Review

9
Chapter 4 Horizontal Section

11
- Theory of Operation
  11
  - Horizontal Section Structure
    11
  - Digital Sync Detection
    12
  - Composite Sync
    12
  - Voltage-Controlled Oscillator
    12
  - Pll1
    13
  - Free-Running Frequency and Range
    13
  - Frequency Precision
    14
  - PLL1 Inhibition
    15
  - Frequency Change Speed Limitation
    16
  - PLL2, Duty Factor, ON/OFF
    16
  - Soft-Start
    17
  - Output Stage
    17
  - X-Ray Protection
    17
  - Lock-Unlock Detection
    17
  - H Moire Cancellation
    18
- Application Hints
  19
  - Minimizing Jitter
    19
  - Output Stage
    20
  - Enlarging the Frequency Range
    21
  - X-Ray Protection
    22
Chapter 5 Vertical Section

23
- Theory of Operation
  23
  - Structure of V Section
    23
  - Ramp Generator and AGC Loop
    23
  - Frequency Range and Precision
    24
  - Sync Detection
    25
  - AGC Loop Stability
    26
  - S and C Correction (TDA9112 to TDA9116)
    26
  - Output Stage and Vertical Shift
    28
  - Vertical Signal Management in the TDA9112A
    29
  - ON/OFF Function
    30
  - Lock/Unlock
    30
  - Moire
    31
  - Vertical Breathing Function (EHT Compensation)
    31
  - Implementing the Breathing Function
    31
  - Breathing Functions in the TDA9112A
    33
- Application Hints
  33
  - Coupling to Booster
    33
  - Ripple Rejection
    34
  - Vertical Vibration
    35
  - Leakage on Cs
    36
Chapter 6 Geometry and Focus Control Section

37
- Theory of Operation
  37
- Application Hints
  42
  - E/W Output Stage
    42
Chapter 7 DC/DC Converter Section

44
- Structure of the DC/DC Converter and B+ Loop
  44
- Application Hints
  50
  - Parasites Induced by DC/DC Converter (Timing Selection)
    50
  - Frame-Top Distortion Related to Keystone Correction
    51
Chapter 8 Miscellaneous

52
- Summary of Safety Functions
  52
- Early V Blanking and Lock/Unlock
  53
- Application Hints
  53
  - Using Inhibition Properly
    53
Chapter 9 I²C Control Section

55
- I²C Bus Reminder
  55
- TDA9112 Family as I²C Bus Device
  55
- Receiving Data
  55
- Sending Data
  56
- Register Organization
  56
- Management of Status Register and Sync Priority
  59
Chapter 10 I²C Bus Control Register Map

60

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