Carrier Detect or Mute Indicator, Output

CYV15G0100EQ

Table 1. Pin Descriptions - CYV15G0100EQ Single Channel Cable Equalizer

Name

IO Characteristics

Signal Description

Control Signals

CLI

Analog Output

Cable Length Indicator. CLI provides an analog voltage proportional to the equalized

cable length. CLI works at both SD-SDI and HD-SDI data rates.

LVTTL IO

Carrier Detect or Mute Indicator.

CD/MUTE

Output:

When the incoming data stream is present and the cable length does not exceed the length

that is set by MCLADJ, the CD/MUTE outputs a voltage less than 0.8V.

When the incoming data stream is not present or the cable length exceeds the length that

is set by MCLADJ, the CD/MUTE outputs a voltage greater than 2.8V.

Input:

When the

CD/MUTE pin is set LOW, the equalizer’s differential serial outputs are not

muted.

When the

CD/MUTE pin is set HIGH, the equalizer’s differential serial outputs are muted.

MCLADJ

Analog Input

Maximum Cable Length Adjust. The maximum equalized cable length is set by the

voltage applied to the MCLADJ input. When the maximum cable length set by MCLADJ

is reached, CD is driven high and the differential output is muted.

If MCLADJ functionality is not needed, then this pin should be left floating or tied to ground

to allow maximum equalized cable length.

MCLADJ works at both SD and HD data rates.

BYPASS

LVTTL Input

Equalizer Bypass. When BYPASS is set HIGH, the signal presented at the equalizer’s

differential serial inputs (SDI, SDI) is routed to the equalizer’s differential serial outputs

(SDO, SDO) without equalizing.

When BYPASS is set LOW, the incoming video data stream is equalized and presented

at the equalizer‘s serial differential outputs (SDO, SDO).

In equalizer bypass mode,

CD/MUTE is not functional.

AGC±

Analog

Automatic Gain Control. Place a capacitor of 1 μF between the AGC± pins.

SDO,

Differential

Differential Serial Outputs. The equalized serial video data stream is presented at the

SDO

Output

SDO/SDO differential serial CML output.

SDI,

Differential

accepts either a single-ended or differential serial

SDI

Differential Serial Inputs. SDI/SDI

Input

video data stream over 75Ω coaxial cable.

Power

VCC

Power

+3.3V Power.

GND

Gnd

Connect to Ground.

Document Number: 001-12520 Rev. **

Page 3 of 10

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CYV15G0100EQ specifications

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