Product Manual
The 7736CE2 series of modules are broadcast quality component serial digital to composite analog video converters with an extensive list of advanced features. The 7736CE2-A4 and 7736CE2-A8 versions offer respectively four (two per encoding channel) or eight (four per encoding channel) high quality audio digital to analog converters that can be driven from discrete AES inputs or audio embedded within the video input signal. The module features a clean (asynchronous) and a fast (synchronous) input video lock modes to handle upstream switches. In addition, control of card is via an On-Screen-Display or remotely via VistaLINK®.
Features
- Two component serial digital inputs (525 or 625)
- One composite analog video output per channel WITHOUT OSD text
- Internal processing to maintain 10 bit digital video quality
- 12 bit output video digital to analog conversion
- One monitoring quality video output with OSD for card configuration
- User adjustable output video processing functions: black level (brightness), gain (contrast), hue, and saturation
- User selectable luminance and chrominance filters for different applications (i.e. broadcast vs. studio)
- User selectable horizontal blanking interval width (narrow or normal)
- One composite analog reference input (NTSC or PAL-B) on BNC 75Ω or high-Z (jumper configurable) input impedance
- Video Frame synchronizer (with +S option)
- Infinitely variable output phase
- Freeze modes: black, freeze
- Input video lock mode: clean or fast
- Adjustable free running frequency. Both channels must be free running to be able to adjust frequency
- A comprehensive on screen display for module config
Features of "-A4" and the "-A8" Options
- 7736CE2-A4 (per video channel)
- One half group (2 channels) of synchronous 20-bit audio may be de-multiplexed from the incoming digital video
- 1 unbalanced (or balanced) AES audio input (up to 48kHz, 24 bits) on BNC (or terminal strip for balanced audio)
- 2 high quality 24 bit audio channels are converted to balanced analog on 2 removable barrier strips
- 7736CE2-A8 (per video channel)
- One full group (4 channels) of synchronous 20-bit audio may de-multiplexed from the incoming digital video
- 2 unbalanced AES audio input (48kHz, 24 bits) supplied via DB15 connector
- 4 high quality 24 bit audio channels are converted to balanced analog on 2 removable barrier strips
- 7736CE2-A4 and 7736CE2-A8
- User selects either the de-embedded audio or the input AES audio
- Audio delay tracks the video delay with the +S option
- Low impedance outputs (66Ω)
- Analog audio output levels are adjustable
- Additional audio delay of up to 2.5 seconds
- Audio advance of up to 1 frame, depending on video delay
- Loss of video modes: pass audio, mute audio
Specifications
| Serial Video Input | |
|---|---|
| Standard | SMPTE ST 259-C - 525 or 625 line component |
| Number of Inputs | 2 |
| Connector | BNC per IEC 61169-8 Annex A |
| Return Loss | > 15dB to 270MHz |
| Embedded Audio | SMPTE ST 272-A |
| Frequency Lock Range | ±75ppm from nominal |
| Hot Switch Lock Up Time | None or 7 frames (based on lock mode) |
| Analog Video Output | |
|---|---|
| Standard | NTSC (SMPTE ST 170), PAL (ITU624-4) |
| Number of Outputs | 2 per input video |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 1V nominal |
| Impedance | 75Ω |
| DC Offset | 0V ±50mV |
| Return Loss | > 45dB to 10MHz |
| Frequency Response | < ±0.1dB to 4MHz (response will depend on selected filtering) |
| Differential Phase | < 0.5° (< 0.3° typical) |
| Differential Gain | < 0.5% (< 0.3% typical) |
| SNR | > 75dB (both channels black video, 100kHz to 5MHz) |
| Control Ranges | |
| Output Level | ±10% |
| Black Level | ±7.5IRE |
| Chroma Level | ±10% |
| Hue | ±15° (NTSC only) |
| Minimum Delay | 3µs |
| Maximum Delay | 1 frame + 3µs (+S option only) |
| Reference Video Input | |
|---|---|
| Standard | NTSC (SMPTE ST 170), PAL (ITU624-4) |
| Number of Inputs | 1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 1V nominal (0.5V to 1.5V) |
| Frequency Lock Range | ±75ppm from nominal |
| Impedance | 75Ω or High impedance (jumper selectable) |
| Return Loss | > 25dB to 10MHz |
| Max Subcarrier Jitter | < 3° |
| Free-Running Frequency Control Range | > ±10ppm (> ±270Hz) |
| Analog Monitor Video Output | |
|---|---|
| Standard | NTSC (SMPTE ST 170), PAL (ITU624-4) |
| Number of Outputs | 1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 1V nominal |
| Impedance | 75Ω |
| Return Loss | > 35dB to 10MHz |
| Analog Audio Output-A4 and -A8 only | |
|---|---|
| Type | Balanced analog audio |
| Number of Outputs | |
| -A4 | 4 (2 per video channel) |
| -A8 | 8 (4 per video channel) |
| Connector | |
| -A4 | Two 6 pin removable terminal strip |
| -A8 | Single 16 pin removable terminal strip |
| Impedance | 66Ω balanced |
| Sampling Rate | 48KHz |
| Signal Level | 0dB FS => 12dBu to 25dBu (user settable) |
| Frequency Response | < ±0.05dB, 20Hz to 20kHz |
| Dynamic range | 24 bits when AES inputs selected, 20 bits when embedded audio selected |
| THD+N | < 0.001% (> 100dB) @ 1kHz, -1dB FS |
| Crosstalk | < -105dB (20Hz to 20kHz) |
| DC Offset | < ±30mV |
| SNR | > 110dB "A" Weighting |
| Inter-Channel Phase Error | < ±1° (20Hz to 20kHz) |
| Unbalanced AES Audio Inputs-A4 and -A8 only | |
|---|---|
| Number of Inputs | |
| -A4 | 2 |
| -A8 | 4 |
| Standard | SMPTE ST 276, single ended synchronous or asynchronous PCM AES |
| Connector | |
| -A4 | BNC per IEC 61169-8 Annex A |
| -A8 | DB15 |
| Resolution | Up to 24 bits |
| Sampling Rate | 32kHz to 48kHz |
| Minimum I/O Delay | 3.5ms |
| Balanced AES Audio Inputs-A4 Version | |
|---|---|
| Number of Inputs | 2 |
| Standard | AES3-1992, balanced synchronous or asynchronous PCM AES |
| Connectors | One 6 pin removable terminal strip |
| Impedance | 110Ω |
| Resolution | Up to 24 bits |
| Sampling Rate | 32kHz to 48kHz |
| Level | 2V to 7V p-p |
| Minimum I/O Delay | 3.5ms |
| Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | |
| 7736CE2 | 10.2 watts |
| 7736CE2-A4 | 17.75 watts |
| 7736CE2-A8 | 18 watts |
| EMI/RFI | Complies with FCC Part 15 Class A, EU EMC Directive |
| Physical | |
|---|---|
| Number of Slots | 2 |
Ordering Information
| 7736CE2 | Dual Composite Encoder |
|---|---|
| 7736CE2-A4 | Dual Composite Encoder with 4 analog outputs |
| 7736CE2-A8 | Dual Composite Encoder with 8 analog outputs |
| Ordering Options | |
|---|---|
| Notes | • Rear plate must be specified at time of order - eg: [model]+3RU |
| +S | Frame Synchronizer |
|---|
| Rear Plate Suffix | |
|---|---|
| +SA | Standalone Enclosure Rear Plate |
| +3RU | 3RU rear plate for use with 350FR, 7700FR-C, 7800FR or 7801FR Multiframes |
| Enclosures | |
|---|---|
| 350FR | Portable Multiframe which holds 7 single slot modules |
| 7700FR-C | 3RU Multiframe which holds 15 single slot modules |
| 7800FR | 3RU Multiframe which holds 15 single slot modules |
| 7801FR | 1RU Multiframe which holds 4 single slot modules |
| S7701FR | 7700 Series Standalone Enclosure |
