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HDMI to VGA Cable - 1.8m

CVT-HDMI-VGA-CBL

Takes an HDMI output and drives a VGA screen or projector directly, in one cable.

Type: HDMI
Length: 1.8 m
Connectors: HDMI / VGA

In-depth technical details

HDMI Type-A carries 19 pins: TMDS pairs for the video/audio signal itself, plus control lines -- CEC (single remote controlling multiple devices), DDC/+5V (the EDID handshake that lets the source learn the display's supported resolutions), and HPD (Hot Plug Detect, how the source knows a display is actually connected). VGA (DE-15) carries 3 analog color signals (R/G/B), separate HSync/VSync timing lines, and a real DDC (I2C) channel on pins 12/15 -- the same 'source reads the display's real capabilities' concept as HDMI's DDC, just an older technology.

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End A

HDMI Type-A

01 19 pins Three differential TMDS pairs carry picture and sound, a fourth carries the clock, and the rest are named-function pins.
02 CEC A single wire that lets one remote control multiple connected devices, e.g. a TV and a receiver.
03 DDC / +5V The EDID handshake -- how the source learns which resolutions the display supports.
04 HPD Hot Plug Detect -- how the source knows a display is connected at all.
05 Metal shell The shell is grounded and wraps the pins, keeping interference out of a very high-frequency signal.
06 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
07 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

End B

VGA (HD-15)

01 15 pins Three analogue colour signals (red, green, blue) plus horizontal and vertical sync, each on its own pin.
02 DDC (I²C) The EDID handshake -- how the source learns which resolutions the display supports.
03 D-shaped shell The D profile only fits one way round, so the plug cannot be inserted upside-down and bend its pins.
04 Thumbscrews Hand-tightened to hold the plug home. A loose one is why a picture flickers, or loses one colour channel.
05 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
06 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

How it works

Active converter cable construction

One end is a genuinely different standard from the other, so wires alone cannot bridge them the way a same-standard cable can. A small circuit inside one of the plugs decodes the incoming signal and re-encodes it as the other standard, usually drawing its power from HDMI's own 5V line or a separate USB lead.

01 Converter chip The actual part that bridges the two standards -- without this chip, wiring the two ends together directly would produce no picture at all.
02 Chip power The chip needs power to run, usually pulled from HDMI's own 5V line or an extra USB connector.
03 Outer jacket Protects everything inside mechanically. It plays no electrical role.

Technical illustration, not a photo of the actual product

From the published standard

How it works

A converter between HDMI and VGA is not a passive adapter: one side is digital and the other analogue, so real electronics have to rebuild the signal. That makes it directional. An HDMI-to-VGA converter will not work in reverse no matter how well the connectors fit, and that is the single most common mistake with this category. HDMI also carries audio and VGA does not, so sound needs a separate path.

Conversion: Active — requires electronics, often USB power
Direction: One way only; check which side is the input
Audio: HDMI carries audio, VGA does not — it needs a separate path

This information comes from published sources about this type of product, not from the supplier.

Applications

Connecting a modern device to an older screen
Driving a meeting-room projector

Technical specifications

Type	HDMI
Length	1.8 m
Connectors	HDMI / VGA

Accessories

Flat HDMI Cable - 0.5m 4K HDMI Cable (Blue Connector) - 1.5m Full HD HDMI Cable - 1.5m

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