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Reference Design HFRD-34.0 (Rev.3, 05/08)

Maxim Integrated Products

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USB-Section Functional

Diagram

MAX3207

MAX4906

MAX3207

ESD

MAX3208

Switches

HUB

Controllers

USB2512

USB2513

Data

Power

USB 2

USB 3

USB 1

USB 4

MAX1558

Power

Switches

MAX1558

Overcurrent

Protection

Main Supply

MOSFETs

x12

USB HUB 1

2 - Port

USB HUB 2

2 - Port

USB HUB 3

2 - Port

USB HUB 4

2 - Port

Figure 7. USB-section functional diagram.

Summary of Contents for HFRD-34.0

Page 1: ...Reference Design HFRD 34 0 Rev 3 05 08 REFERENCE DESIGN 4 x 4 DVI KVM Switch Maxim Integrated Products...

Page 2: ...s provided Firmware and Gerber files available 3 Overview High Frequency Reference Design HFRD 34 0 is a fully buffered 4 x 4 DVI KVM switch The design switches high resolution DVI video up to 1920 x...

Page 3: ...configured in a variety of application environments Three possible applications are shown in Figures 1 through 3 below DVI KVM SWITCH App1 2 Person Work Station USER 1 USER 2 SHARED Figure 1 Typical...

Page 4: ...MAX4814 MAX3814 MAX3208 DVI Out1 DVI Out2 DVI Out3 DVI Out4 DVI In2 DVI In3 DVI In1 DVI In4 USB In2 USB In1 USB In3 USB In4 Audio In2 Audio In1 Audio In3 Audio In4 USB HUB1 USB HUB2 USB HUB3 USB HUB4...

Page 5: ...MUX Low Speed Video Signals High Speed Video Signals MAX4814 x2 DVI Out1 DVI Out2 DVI Out3 DVI Out4 I2C Figure 5 Video section functional diagram Audio Section Functional Diagram 2 Switch I2C Audio O...

Page 6: ...2 ESD ESD MAX3208 MAX3208 MAX3208 MAX3208 Switches I2C HUB Controllers USB2512 USB2512 USB2512 USB2513 4 4 4 4 Data Power USB 2 USB 3 USB 1 USB 4 MAX1558 MAX1558 MAX1558 Power Switches MAX1558 Overcu...

Page 7: ...bps VGA to 1 65Gbps UXGA or 1080p 60 Typical applications include multiroom display of the same video source and industrial and commercial signage applications such as airport monitors or trading room...

Page 8: ...low on resistance RON necessary for high performance switching applications This device is designed for USB 2 0 Hi Speed applications at 480Mbps The MAX4899AE also handles all the requirements for USB...

Page 9: ...1kHz power supply rejection ratio PSRR allows these devices to operate from noisy digital supplies without an additional linear regulator Comprehensive click and pop circuitry suppresses audible clic...

Page 10: ...AX7312 MAX3397E The MAX3397E 15kV ESD protected bidirectional level translator provides level shifting for data transfer in a multivoltage system Externally applied voltages VCC and VL set the logic l...

Page 11: ...nal components Additional information www maxim ic com MAX6817 MAX1953 The MAX1953 MAX1954 MAX1957 is a family of versatile economical synchronous current mode pulse width modulation PWM buck controll...

Page 12: ...age range They are available with guaranteed 50mA and 100mA current limits making them ideal for load switching applications Additional information www maxim ic com MAX4788 7 Navigation Menu HFRD 34 0...

Page 13: ...Allows the user to switch headphone output 1 to any audio input 1 through 4 The current switch selection is highlighted ASM 2 HeadphoneOut1 Allows the user to switch headphone output 2 to any audio i...

Page 14: ...between 0dB 3dB and 6dB The preemphasis can be increased to improve signal integrity when using long cables between HFRD 34 0 and the monitor ADVM 3 DVI3 Pre Emph Allows the user to adjust DVI Out 3 p...

Page 15: ...tings that can be adjusted through a 2 wire bus controlled by the C Currently these features and configurations are set through the C firmware 3 The USB HUB reset connection for the four HUBs pin 26 o...

Page 16: ...out notice at any time 12 Layer Profile The HFRD 34 0 DVI KVM switch includes controlled impedance transmission lines The layer profile is based on the following assumptions 1 Dielectric material is F...

Page 17: ...Reference Design HFRD 34 0 Rev 3 05 08 Maxim Integrated Products Page 17 of 18 1312 Board Dimensions Figure 8 HFRD 34 0 Board dimensions not to scale...

Page 18: ...Apple Computer Inc HDMI is a trademark of HDMI Licensing LLC InfiniBand is a registered trademark of InfiniBand Trade Association MultiTRAK is a trademark of Standard Microsystems Corporation PCI Expr...

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