// Video Connectors

RGB Sync-on-Green (SoG)

Sync-on-Green (SoG) RGB video carries the horizontal and vertical sync signals embedded in the green channel, using three BNC connectors (or component-style RCA). Common on workstation monitors and some industrial displays.

// Specifications

Standard

SMPTE 170M / workstation

Connectors

3 x BNC or RCA (R, G with sync, B)

Signal

R: 0.7Vpp, G+sync: 1Vpp, B: 0.7Vpp

Sync

Embedded in green channel

Use Case

SGI workstations, medical displays, some projectors

Adapter

BNC to VGA requires SoG separator circuit

// Pin Reference Table

Pin	Name	Function	Type
R	Red BNC	Red video signal 0.7Vpp 75 ohm	ADC
G	Green BNC	Green video with sync embedded 1Vpp 75 ohm	ADC
B	Blue BNC	Blue video signal 0.7Vpp 75 ohm	ADC