Features common to SCRF and SCM converters:
• Compact, low power, surface mount design
• Front panel tri-color Status LED
• Up to 16 user programmable options
• Extremely stable output: +/- 3% levels
• 10 bit video D/A for greater than 54dB dynamic range
• EEPROM memory for FPGA firmware, field upgradeable
• Automatic Sleep Mode for low power standby operation
Features unique to SCRF converters:
• Flexible built-in RF Modulator:
- Up to 15 selectable carrier frequencies
- Programmable between 28.5-880MHz (actual channels vary by model)
- Supports positive/negative video and AM/FM audio modulation schemes
• Converter bypass mode for use as stand alone RF Modulator
• Externally adjustable RF channel and audio modulation depth control
• 100K gate equivalent FieldProgrammableGateArray (250K on SCRF405A-NTSC)
• 8Mb/16Mb FLASH Memory for firmware, settings and default image storage
• Output clock line locked to input clock for perfect conversions
• FLASH Image Memory for storing up to two custom images*
• Unique partial-field memory for stable output syncs
• Extremely accurate algorithms used for conversions:
- Three line interpolation on all standards (Electronic converters)
- All internal calculations done to a minimum 12 bit precision
• Versatile I/O:
- Composite Video Input (NTSC/PAL, 1Vpp, 75 ohm)
- Composite Video Output (various standards depending on model, 1Vpp, 75 ohm)
- Stereo Audio Inputs (-10dBV nominal, 0.2Vpp-5Vpp, 20k ohm)
- RF Output (76dBµV, 75 ohm, approx. 6mV)
- DC power (7-14Vdc, 250ma)
Features unique to SCM converters:
• Supports all the following mechanical standards: 24/20p, 30/12.5p Baird, 30/12.5 TeKaDe, 30/16.6p,
32/12.5p NBTV, 39/12.5p, 45/15_3i Western, 48/15p, 48/20p, 48/25p, 50/25p, 60/12.5p Baird,
60/20p, 60/25p
• Reference Input allows converter to synchronize with an external AC Mains signal (50Hz or 60Hz) or a
Frame reference (12.5Hz to 25Hz) with +/-4% error.
• 250K gate equivalent FieldProgrammableGateArray
•8Mb FLASH Memory for firmware, settings and default image storage
• Three full frame memories.
• Extremely accurate algorithms used for conversions:
- All internal calculations done to a minimum 12 bit precision
• FLASH Image Memory for storing a custom image
• Versatile I/O:
- Composite Video Input (NTSC/PAL, 1Vpp, 75 ohm)
- Video Output (various standards, 1Vpp, 75 ohm)
- Reference Input (+/-30V, 20k ohm, Zero crossing, programmable edge)
- DC power (7-14Vdc, 200ma)
*All monochrome SCRF models and SCRF405A-NTSC have FLASH Memory for two default images
*SCRF525M-SC and SCM-01 models have FLASH Memory for one default image
Made in USA
Single Converter SC
These converters are available from Crowthorne Tubes in the U.K.