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ADX-1852 HD/SD 4 AES Disembedder w. Analog Audio Monitor
ADX-1842 HD/SD 4 AES Disembedder
Guide to Installation and Operation

Page 2 of 10

ADX-1842/1852

ADX-1842 Front card edge

tat

Status LED

SELECT button

ADX-1842

ADX-1842/1852 Rear Connector Panels

SPECIFICATIONS(cont’d)

Impedance:

110

Ω

balanced

ANALOG AUDIO OUTPUT (ADX-1851 only)

Quantizing: 24

bits

Level, 0 dBFS:

+18 dBu, ±6dB (1dB steps)

Impedance:

Ω

SNR:

>92 dB (A weighting)

THD: <0,01%
Dynamic Range:

>92 dB

Crosstalk:

<90 dB (20 Hz to 20 kHz)

AUDIO AES SIGNAL

Sampling Rate:

48kHz synchronous

LTC SIGNAL OUTPUT

Signal:

Reconstructed LTC from ATC/DVITC

Impedance:

< 55

Ω

source, unbalanced 1k

Ω

load

Level: 1.0

Vp-p

RS-422 SIGNAL OUTPUT

Signal: RS-422
Rate:

Reconstruction of signal input to
embedder (38,400 or 115,200 bauds)

GPI SIGNAL OUTPUT (2)

Signal:

Opto-isolated, common emitter

Forward voltage

30V max

Reverse voltage

5V max

Rate:

DC- to 250 Hz

VIDEO OUTPUT

(Input active loop-through)

Video Signal:

HD/SD-SDI SMPTE 292M/SMPTE
259M

Return Loss:

>15 dB up to 1.5 GHz/270MHz dB

Wideband Jitter:

< 0.2 UI p-p

PROCESSING PERFORMANCE

Signal Path:

10-bit video / 24-bit audio

Audio Processing
Delay:

875

s (combined embedding and

extraction ‡‡)

Audio Delay:

Up to 3 video frames (1/2 frame steps)

ATC/DVITC Delay: None, 1, 2,or 3 frames before

translation to LTC

RS-422
Processing Delay:

500

s max. (combined embedding

and extraction ‡‡)

GPI Processing
Delay:

4 video lines (combined embedding
and extraction ‡‡)

Test Signals:

Audio - 1 kHz tone (R steady, L
pulsed) -18dBFS (EBU R49, R68)
LTC – 10 second loop starting at
23:59:00:00

Power: 9.5

Note

‡‡: Applicable to combinations of AMX-1842 and

ADX-1842/ADX-1852

List of supported formats:

1920 x 1080/59.94/I
1920 x 1080/50/I
1920 x 1080/29.97/P
1920 x 1080/25/P
1920 x 1080/24/P
1920 x 1080/23.98/P
1920 x 1080/29.97/PsF

(detected as 1920 x1080/59.94/i)

1920 x 1080/25/PsF

(detected as 1920 x 1080/50/i)

1920 x 1080/24/PsF

1920 x 1080/23.98/PsF

1280 x 720/59.94/P
1280 x 720/50/P
525 (NTSC)
625 (PAL)

ADX-1842-75-DRP ADX-1842-110-DRP

ADX-1852-75-DRP

ADX-1852-110-DRP

AES-3id AES3

Summary of Contents for ADX-1842

Page 1: ...s either 110 Ω balanced or 75 Ω unbalanced depending on rear panel in use Selectable audio delay of up to 3 frames in frame steps 24 bit digital audio disembedding Audio silence output on loss of video input Left Right channels swappable for each AES output Selectable routing of audio groups to AES outputs Co phased audio outputs Dolby E compatible Monitor selector for Densité frame monitoring swi...

Page 2: ...oop through Video Signal HD SD SDI SMPTE 292M SMPTE 259M Return Loss 15 dB up to 1 5 GHz 270MHz dB Wideband Jitter 0 2 UI p p PROCESSING PERFORMANCE Signal Path 10 bit video 24 bit audio Audio Processing Delay 875 µs combined embedding and extraction Audio Delay Up to 3 video frames 1 2 frame steps ATC DVITC Delay None 1 2 or 3 frames before translation to LTC RS 422 Processing Delay 500 µs max co...

Page 3: ...in the frame whose SELECT button has been pushed Status Monitor LED The status monitor LED is located on the front card edge of the ADX 1842 and the ADX 1852 modules and is visible through the front access door of the DENSITÉ frame This multi color LED indicates module status by color and by flashing steady illumination according to the following chart which also indicates fault reporting for this...

Page 4: ...N I 2 CHANNEL 1 CHANNEL P S STEREO CONSUMER PROFESSIONAL GROUP 1 GROUP 2 GROUP 3 GROUP 4 x OFF ON OFF ON x x x x NONE 1234 NONE PRESENT NONE PRESENT AUTO 7 8 22 AUTO 10 11 20 Same as AES OUT 1 MODE EMPHASIS LOAD SAVE AES OUT 2 Same as AES OUT 1 Same as AES OUT 1 AES OUT 3 AES OUT 4 Same as AES OUT 1 1 2 3 4 5 1 2 3 4 5 USER PRESET AES OUT 2 AES OUT 3 AES OUT 4 AES OUTPUT AES OUT 1 2 LTC OUTPUT FRO...

Page 5: ...OUT 3 OFF TONE OFF TONE OFF TONE GREEN YELLOW RED FLASH RED MUTE PASS AES OUT 1 AES OUT 2 AES OUT 3 AES OUT 4 ALARM REPORT ALARM REPORT OFF TONE OFF LOOP x x x x x x x x ALARM REPORT ALARM LEVEL ALARM LEVEL ALARM LEVEL NO AES 1 2 NO AES 3 4 FACTORY DEFAULT CONFIG ALARM NO SIGNAL VERSION ADX 18x2 XXX RESTORE TEST MODE V BIT TEST AES OUT 1 This option is accessible on ADX 1852 only LEVEL 0 dBFS MONI...

Page 6: ...code is translated to LTC The delay is selectable between NONE and a number of video frames 1 to 3 MONITOR OUT menu ADX 1852 only SOURCE Selects AES OUT 1 2 3 or 4 for stereo analog audio conversion LEVEL 0dBFS the output level is adjustable in 1 dB steps for an output level of 12 dBU to 24 dBU at full scale amplitude VBIT Selects the action if the AES channel status V Bit is set Select MUTE to mu...

Page 7: ... factory preset settings A complete description of the Factory tab begins on page 9 Info shows information on the ADX 1842 or the ADX 1852 and allows entry of some data A complete description of the Info tab begins on page 10 User Presets Allows the creation of user profiles for a personalized configuration of the ADX 1842 or ADX 1852 A complete description of the User Presets begins on page 10 Th...

Page 8: ...nels The Delay tab allows the user to set the delay of the AES audio as it passes through the disembedder The delay is selectable between none and a number of video frames 0 to 3 frames in 0 5 frame steps The Disembedding tab allows the user to select which embedded audio group will appear at the indicated AES outputs The Status tab monitors some of the information carried in the AES outputs chann...

Page 9: ...onversion of AES digital audio to stereo analog audio signals Using the Audio Select drop down menu select the AES output source for the stereo analog audio conversion The OdBFS Level drop down menu allows the user to adjust the output level in 1 dB steps for an output level range of 12 dBU to 24 dBU at full scale amplitude The VBit drop down menu allows the user to block monitoring of invalid AES...

Page 10: ... contents of the selected user preset into the ADX 1842 or the ADX 1852 All parameter settings and values will be replaced by the contents of the selected user preset Click Save to store the current parameter settings and values from the ADX 1842 or the ADX 1852 into the selected user preset The existing contents of the preset will be overwritten COMPLIANCE Radio Frequency Interference and Immunit...

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