MiniBlox (Isis Group) 4420
SDI to Composite Analog Digital/Analog Converter (10 Bit)

4420

MiniBlox's 4420 is a full-featured, broadcast-quality 270Mb/s SDI to composite analog decoder.  It is housed in a compact and rugged aluminum case well-suited for both studio and portable applications.  The analog output is configurable to different types of NTSC/PAL via switches on the end of the unit.  These switches also control the output of built-in test pattern, VBI control and blackburst output.

Features:

• SDI to composite analog converter
• Multi-standard output
• 270Mb/s 525/625 operation
• 4x or 2x over-sampling
• 10-bit DAC
• VBI control
• Built-in test pattern
• Blackburst output
• Locking connector for PSU

Control switches:

• NTSC/PAL output control
• Test pattern enable
• Blackburst enable
• VBI blanking control

Specifications:

SDI input:

• Standards: SMPTE 259M 270Mb/s 525/625 SDI
• Connector: 75ohm BNC
• Signal level: 800mV p-p ±10%
• Return loss: >15dB 5-270 mHz
• Cable equalization: Up to 100m automatic (Belden 8281)

Performance:

• Differential gain: <0.3%
• Differential phase: <0.5º
• Delay: <10nS
• Input: 10-bit 4:2:2
• Quantization: 10-bit DAC

Power:

• Voltage: 6-12V DC
• Current: 250mA
• Power connector: Locking 2.5mm jack connector

Analog Output:

• Standards: NTSC (USA or Japan) PAL (B,D,G,H,I)
• Connector: 75ohm BNC
• Signal level: 1V p-p ±10%
• DC offset: +/-100mV
• Return loss: 36 dB to 5mHz
• Test pattern: 75% color bars (SDI input required)
• Blackburst output: Blackburst timing reference signal

Other:

• LED: Shows signal presence
• Temperature range  0ºC to 45ºC
• Dimensions: 3.25" x 2.5" x 1.25"
• Weight: 2 lbs.

Our Part #  MINIBLOX-4420