Semtech: Broadcast Products - Semtech -Macnica

Semtech Broadcast Product Features

Semtech has a track record of leading the broadcast video industry for over 30 years and provides high-performance IC products that support the latest video transmission standards, including 12G UHD-SDI.

It supports next-generation video technologies such as high resolution, high frame rate, and wide color gamut, achieving high performance and power savings in broadcasting equipment.

Key features include:

・ Industry Standards Compliance: SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1, ST 259, etc.
・ Design support system: Provides reference designs and evaluation boards
・ High reliability: High quality guaranteed through strict manufacturing and inspection systems

Product lineup

Multi-function EQ/CD (Configurable Equalizer/Cable Driver)

GS12190

・ Supports up to 11.88Gbps: Supports 12G UHD-SDI, 6G, 3G, HD, and SD-SDI
・ Reclocking function: Achieves low jitter output
・ Compatible with both cable equalizers and drivers: Ideal for transmission over 75Ω coaxial cable
・ Supports long-distance transmission: Up to 400m with Belden 1694A cable (at 270Mbps)
・ Flexible Output Control: Pre-emphasis, swing, and slew rate adjustable
・ Purpose: Cameras, switchers, routers, distributors, etc.

Cable length versus data rate

Data Rate	Belden 1694Acable
11.88GB/s	70m
5.94GB/s	80m
2.97GB/s	170m
1.485GB/s	240m
270MB/s	400m

12G compatible cable drivers

GS12182

GS12281

・ Retiming function included: Built-in clock recovery function improves signal quality
・ Wideband compatible: Supports multi-rate from 1Mbps to 11.88Gbps
・ input:GS12182 ⇒ 2 lines, GS12281 ⇒ 1 line
・ Dual Output: Supports two 75Ω outputs
・ Pre-emphasis & Swing Control: Ideal for compensating for losses during long-distance transmission
・ Low power consumption design: 1.8V operation, compact QFN package
・ Purpose: Professional video equipment, distributors, routers, etc.

Recklocker

GS12150

・ Multi-rate support: Supports SDI signals from 270Mbps to 11.88Gbps
・ Low Jitter Output: High-precision clock recovery improves signal quality
・ Small size and low power consumption: Ideal for high-density mounting of broadcasting equipment
・ Purpose: For signal regeneration, distribution, and routing applications

Cable Equalizer

GS12341

GS12142

・ Supports long-distance transmission: Stable reception of UHD-SDI signals up to 11.88Gbps
・ Automatic Equalization: Automatic compensation for cable loss
・ Reclocking function (GS12341): Further improves signal quality
・ Small QFN package: Ideal for space-saving designs
・ Purpose: At the input stage of cameras, monitors, switchers, etc.