LT 443D-DA
Digital Audio Unit

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Installing the LT 443D-DA Digital Audio Unit in the LT 443D mainframe can output AES/EBU digital audio signals(four systems), silence signals (one system), and 48 kHz word clock signals.
The AES/EBU signal characteristics (e.g., output level, frequency) can be independently set for each output system.
The sampling frequency is synchronized with the video signal of plug-in unit installed in the mainframe.

Output
AES/EBU Digital Audio Output	Number of Outputs: 4 (2-channel output) Output Impedance: 75 unbalanced Output Amplitude: 1 Vp-p0.1 V (into 75 ) Output Connector: BNC
Silence Signal (DARS grade 2) Output	Number of Outputs: 1 (2-channel output) Output Impedance: 75 unbalanced Output Amplitude: 1 Vp-p0.1 V (into 75 ) Output Connector: BNC
48 kHz Word Clock	Number of Outputs: 1 Output Impedance: 75 unbalanced (“1 Vp-p” output) Output Amplitude: 1 Vp-p0.1 V (into 75 ), 5 V CMOS, selectable Output Connector: BNC

Signal Specifications
Specifications	ANSI S4.40 (AES3-1992), AES11-1997 SMPTE 276M, AES-3id-2001

Function
Sampling Frequency	48 kHz (sync to video signal)
Resolution	20 bits, 24 bits, selectable
Preemphasis	OFF, 50/15 , CCITT, selectable (CS bit can only be selected.)
Frequency	50, 100, 150, 200, 250, 300, 400, 500, 600, 750, 800,1.0 k, 1.2 k, 1.5 k, 1.6 k, 2.0 k, 2.4 k, 3.0 k, 3.2 k, 4.0 k, 4.8 k, 5.0 k,6.0 k, 8.0 k, 9.6 k, 10 k, 12 k, 15 k, 16 k, 20 kHz, silence
Level	-60 to 0 dBFS (settable in 1 dB steps)
Audio Click	1, 2, 3, 4 sec, none
Output ON/OFF	Selectable
Timing	Variable Range: 1 AES/EBU frame Settable in 512 fs (24.576 MHz) steps   *  The timing can be varied with respect to the Video Unit installed in the LT 443D mainframe. The settings are common to the digital audio, silence and word clock signals.
* Frequency, level, and audio click can be set to each channel.    Other items (except timing) can be respectively set to the 2-channel output.

Environmental Conditions
Operating Temperature Range	0 to 40 °C
Operating Humidity Range	90 % RH (without condensation)
Spec Guaranteed  Temperature Range	10 to 35 °C
Spec Guaranteed Humidity Range	85 % RH (without condensation)
Operating Environment	Indoor use
Operating Altitude	Up to 2,000 m
Overvoltage Category	I
Pollution Degree	2

Power Source	Supplied by the LT 443D mainframe
Dimensions	79 (W) x 41 (H) x 371 (D) mm (excluding projections)
Weight	Approx. 0.32 kg