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ASAHI KASEI
AKD4709 is an evaluation board for quickly evaluating the AK4709, AV SCART switch. Evaluation
requires audio/video analog analyzers/generators and a power supply.
Ordering guide
AKD4709-A ---
• RCA connectors for analog audio input/output
• XLR connectors for analog audio input
• RCA connectors for analog video input/output
• 10pin header for serial control interface
TVINL
TVINR
VCRINL
VCRINR
AINL+
AINL
(AINL+-)
AINR+
AINR
(AINR+-)
VCRFB
ENCB
ENCC
ENCG
ENCV
ENCY
ENCRC
TVVIN
VCRVIN
VCRB
VCRG
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM103002>
GENERAL DESCRIPTION
AK4709 Evaluation Board
(Cable for connecting with printer port of IBM-AT,
compatible PC and control software are packed with this.)
FUNCTION
VP
+12V → +3.3V
Regulator
VD1
VD2
AK4709
VCRRC
Figure 1. AKD4709 Block Diagram
AKD4709-A
AK4709 Evaluation Board Rev.2
VVD
AGND
VSS2
VVD1
VVD2
Buffer
10pin header
- 1 -
[AKD4709-A]
TVOUTL
TVOUTR
VCROUTL
VCROUTR
TVFB
TVSB
VCRSB
TVVOUT
TVB
TVG
TVRC
VCRVOUT
VCRC
2011/06

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Summary of Contents for Asahi KASEI AKD4709-A

  • Page 1 AKD4709 is an evaluation board for quickly evaluating the AK4709, AV SCART switch. Evaluation requires audio/video analog analyzers/generators and a power supply. Ordering guide AKD4709-A --- AK4709 Evaluation Board (Cable for connecting with printer port of IBM-AT, compatible PC and control software are packed with this.) FUNCTION •...
  • Page 2: Evaluation Board Manual

    ASAHI KASEI [AKD4709-A] EVALUATION BOARD MANUAL Operation sequence 1) Set up the power supply lines. Name of Color of Default of Voltage Used for Comment and attention Jack Jack Jack Orange +10.8∼+13.2V VP of AK4709 Should be always connected +12V Should be connected when jp5 (VD1_SEL) is set to REG side.
  • Page 3: Serial Control

    Serial Control The AK4709 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT1 (CTRL) with PC by 10-line flat cable packed with the AKD4709-A. The control software packed with this evaluation board supports I C control only.
  • Page 4 ASAHI KASEI [AKD4709-A] Analog Input/Output List Signal Name Note J3 (VCRINL), J7 (VCRINR), J11 (TVINL), J15 (TVINR) Max. 2Vrms Input J19 (AINL+), J27 (AINR+) Max. 2Vrms Audio J20 (AINL+, AINL-), J27 (AINR+, AINR-), J4 (TVOUTL), J8 (TVOUTR), J12 (VCROUTL), Output Max.
  • Page 5: Control Soft Manual

    ASAHI KASEI [AKD4709-A] Control Soft Manual ■ Evaluation Board and Control Soft Settings 1. Set an evaluation board properly. 2. Connect the evaluation board to an IBM PC/AT compatible PC by a 10wire flat cable. Be aware of the direction of the 10pin header.
  • Page 6: Operation Overview

    ASAHI KASEI [AKD4709-A] ■ Operation Overview Function, register map and testing tool can be controlled by this control soft. These controls are selected by upper tabs. Buttons which are frequently used such as register initializing button “Write Default”, are located outside of the switching tab window.
  • Page 7 ASAHI KASEI [AKD4709-A] ■ Tab Functions [REG 0H~DH]: Register Map This tab is for a register writing and reading. Each bit on the register map is a push-button switch. Button Down indicates “H” or “1” and the bit name is in red (when read only it is in deep red).
  • Page 8 ASAHI KASEI [AKD4709-A] [Write]: Data Writing Dialog It is for when changing two or more bits on the same address at the same time. Click [Write] button located on the right of the each corresponded address for a pop-up dialog box.
  • Page 9 ASAHI KASEI [AKD4709-A] [Tool]: Testing Tools This tab screen is for evaluation testing tool. Click buttons for each testing tool. <KM103002> 2011/06 - 9 -...
  • Page 10: Dialog Boxes

    ASAHI KASEI [AKD4709-A] ■ Dialog Boxes 1. [All Req Write]: All Req Write dialog box Click [All Reg Write] button in the main window to open register setting files. Register setting files saved by [SAVE] button can be applied. [Open (left)]: Selecting a register setting file (*.akr).
  • Page 11 ASAHI KASEI [AKD4709-A] 2. [Data R/W]: Data R/W Dialog Box Click the [Data R/W] button in the main window for data read/write dialog box. Data write is available to specified address. Address Box: Input data address in hexadecimal numbers for data writing.
  • Page 12: Measurement Results

    ASAHI KASEI [AKD4709-A] MEASUREMENT RESULTS Audio [Measurement condition] • Measurement unit : Audio Precision SYS-2722 • BW : 20Hz∼20kHz • Power Supply : VP=12V, VD1=3.3V, VD2=3.3V, VDD1=3.3V, VDD2=3.3V • Interface : Input: Cannon, Output: BNC • Temperature : Room • Volume#0 Gain : 0dB •...
  • Page 13 ASAHI KASEI [AKD4709-A] Video [Measurement condition] • Signal Generator : Sony Tectronix TG2000 • Measurement unit : Sony Tectronix VM700T • Power Supply : VP=12V, VD1=3.3V, VD2=3.3V, VDD1=3.3V, VDD2=3.3V • Interface : Input: BNC, Output: BNC • Temperature : Room •...
  • Page 14 ASAHI KASEI [AKD4709-A] Plots (Audio) AK4709 AINL/AINR TVOUTL/TVOUTR: FFT: fin=1KHz, Input Level=0dB -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure1-1. FFT (fin=1kHz, Input Level=0dB) AK4709 AINL/AINR TVOUTL/TVOUTR: FFT: fin=1KHz, Input Level=-60dB -100 -110 -120 -130 -140 -150 -160...
  • Page 15 ASAHI KASEI [AKD4709-A] AK4709 AINL/AINR TVOUTL/TVOUTR: FFT: No-input -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure1-3. FFT (Noise Floor) AK4709 AINL/AINR TVOUTL/TVOUTR: THD+N Amplitude vs Input Amplitude: fin=1KHz -100 -102 -104 -106 -108 -110 -140 -130 -120 -110 -100 Figure1-4.
  • Page 16 ASAHI KASEI [AKD4709-A] AK4709 AINL/AINR TVOUTL/TVOUTR: THD+N Amplitude vs Input Frequency: Input Level=0dB -100 -102 -104 -106 -108 -110 Figure1-5. THD+N vs. Input Frequency (Input level=0dB) AK4709 AINL/AINR TVOUTL/TVOUTR: Linearity: fin=1KHz -100 -110 -120 -130 -140 -140 -130 -120 -110 -100 Figure1-6.Linearity (fin=1kHz)
  • Page 17 ASAHI KASEI [AKD4709-A] AK4709 AINL/AINR TVOUTL/TVOUTR: Frequency Response: Input Level=0dBr +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 -1.2 -1.4 -1.6 -1.8 -2.2 -2.4 -2.6 -2.8 Figure1-7. Frequency Response (Input level=0dB) AK4709 AINL/AINR TVOUTL/TVOUTR: Crosstalk: fin=1KHz, Input Level=0dBr / No-input...
  • Page 18 ASAHI KASEI [AKD4709-A] Plots(Video) AK4709 ENCV TVVOUT: S/N: Input Signal=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted Figure 2-1. Noise spectrum (Input=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted) <KM103002> 2011/06 - 18 -...
  • Page 19 ASAHI KASEI [AKD4709-A] AK4709 ENCV TVVOUT / ENCRC TVRC: Y/C Crosstalk: Input Signal=100% Red Field, Y ENCV, C ENCRC, BW=15kHz to Full Figure 2-2 Crosstalk (Measured at TVVOUT, Input= 100% Red Field, Y ENCV, C ENCRC, BW=15kHz to Full) <KM103002>...
  • Page 20 ASAHI KASEI [AKD4709-A] AK4709 ENCV TVVOUT: DG, DP: Input Signal=Modulated 5 step Figure 2-3 DG, DP (Input Signal= Modulated 5 step) <KM103002> 2011/06 - 20 -...
  • Page 21: Revision History

    These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei Microdevices Corporation (AKM) or authorized distributors as to current status of the products.
  • Page 22 0.1u 4.7u 4.7u 0.1u 0.1u 74LS07 74LS07 0.1u 0.1u 1.0u 1.0u 48pin_2 48pin_2 Title Title Title AKD4709-A AKD4709-A AKD4709-A Size Size Size Document Number Document Number Document Number - 22 - AK4709 Logic AK4709 Logic AK4709 Logic Date: Date: Date:...
  • Page 23 (Short) (Short) VCRFB VCRB VCRB (Short) (Short) 0.1u 0.1u VCRB Title Title Title AKD4709-A AKD4709-A AKD4709-A Size Size Size Document Number Document Number Document Number - 23 - Audio Video Input Output Audio Video Input Output Audio Video Input Output...
  • Page 24 DGND T45_BK T45_BK VSS2 VSS2 T45_BK T45_BK (short) (short) VVD1 (short) (short) VVD2 Title Title Title AKD4709-A AKD4709-A AKD4709-A Size Size Size Document Number Document Number Document Number - 24 - Power Supply Power Supply Power Supply Date: Date: Date:...
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