BKPF-L641 (BKPFL641)

NTSC/PAL to 422 decoder board

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The BKPF-L641 is a decoder board that converts an NTSC/PAL composite analog input signal into a 4:2:2 component serial digital video output signal. This decoder board features 10-bit digital internal processing, a three-line adaptive comb filter and a frame synchronizer. In conjunction with the BKPF-L642 4:2:2 to NTSC/PAL encoder board, the color frame ID Inserter function avoids the reverse color framing that may be generated by the encode/decode chain. It maintains the content of the VBI.
An internal test signal generator is included for maintenance purposes.
The BKPF-L Series function boards install in the PFV-L Series Interface Units in any combination with other BKPF-L Series function boards.
The total power consumption of the installed function boards should not exceed 13 A at 5 V for PFV-L10.


High performance NTSC/PAL decoder to component SDI
_10-bit 4:2:2 internal processing
- Supports SMPTE259M-C
- One equalized input with passive loop-through output
- Four distribution outputs
- Black burst reference input with passive loop-through output
3-line adaptive comb filter
NTSC/PAL selectable

Built-in frame synchronizer
- On (External Reference mode) / Off (Input Lock mode) selectable
- Auto/Manual freeze selectable (External reference mode only)
- H/V phase adjustment
Colour frame ID insertion
Maintains the content of the VBI to support Closed Caption
EDH insertion
Built-in test signal generator