Specifications

Prism Media Products Limited AD-2 Dual-rate A/D converter
Operation Manual
Issue 0.2 © Prism Media Products Limited
11 August 1998 Page 47 of 58
7.5.4. RCA coaxial consumer format (IEC958)
This conforms with the unbalanced interface defined in IEC958 ed.1 clause 5.3 and
IEC958 ed.2 part 3. Electrically, it is floating with the screen capacitively coupled to the
chassis. It carries consumer format channel status, see section 7.5.12.
Output impedance: 75 S ± 10%
Output level: 0.5 V ± 10% (terminated)
Rise/fall time: 22 ns ± 20% (terminated)
7.5.5. BNC coaxial professional format outputs (AES-3id)
When set to AES-3id format, the multi-function BNC coaxial data outputs act as follows:
These outputs have the data format of AES3 on a BNC coaxial connector. This format
is described in AES-3id [ref. 7].
Output impedance: 75 S
Load impedance: 75 S
Output level: 1.0 V ± 0.2 V
DC offset: <50mV
Rise/fall time: 37 ns
The BNC outputs can be configured to generate 'Split96' format for 88.2kHz and 96kHz
signals with one channel per bearer in accordance with [Ref.8].
7.5.6. BNC coaxial SDIF-2 (Sony) format, L and R.
When set to SDIF-2 format, the multi-function BNC coaxial data outputs act as follows.
These outputs conform with the interfaces initially used by the Sony PCM-1610/1630
PCM encoder and often called SDIF-2. Signals in this format are at TTL levels and are
transmitted most significant bit (MSB) first in non-return to zero (NRZ) format. A
synchronization pattern identifies the start of a new sample word.
Output impedance: approximately 30 S
Load impedance: 75 S
Output level: 2.8 V ± 0.5 V (when terminated in 75 S)
Rise/fall time: 30 ns
In A-D mode, the emphasis and copy permit flags are set for no emphasis and copy
permit.
In D-D mode the emphasis flag is copied from the input stream, and the copy permit
flag is set to allow copying.