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The 7730ADC-HD line of component analog video to serial digital converters are broadcast quality high definition A to Ds with an extensive list of additional features. High quality analog to digital conversion of audio or AES inputs can be packaged with the video to create an A to D with audio embedder. In addition, Evertz fault monitoring processing will analyze and report video and audio problems via an On-Screen-Display, or remotely via VistaLINK® SNMP.
Features
The Features of the A to D process:
- 10 bit, 74.25MHz (/1.001) sampling of input video
- Internal processing to maintain 10-bit digital video quality
- Y, Pb, Pr or G, B, R input support
- Black level clamp on all components
- User-adjustable input video processing functions: black level control on all components, gain control on all components, inter-channel delay and picture position control in 13.5ns increments
- Sync on green or separate sync input
The Features of all 7730ADC-HDs are:
- Three input BNCs for Y, Pb, Pr or G, B, R input
- One sync input BNC for separate sync
- Two HD SDI 74.25 or 74.176MB/s component digital video output without OSD text or audio bar graphs
- One combination output that can either be an extra HD SDI output or composite analog video output
- When configured as a composite analog output it will be a clean output (no picture) and have the OSD text and bar graph graphics for monitoring
- One line video synchronizer
- Variable output phase (in clock increments)
- Loss of video modes: black, pass
- A comprehensive on-screen display is available to configure the various features of the module
- VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7800FC VistaLINK® Frame Controller
The Features of "-A4" option are:
- Four balanced analog audio inputs on two removable barrier strips
- High impedance inputs (user supplies termination resistors for other impedances)
- Analog audio input levels are adjustable
- Jumpers set coarse input levels, fine input levels are set by software control
- Audio delay of up to five seconds
- One group (four channels of audio) is multiplexed on the outgoing digital video
- Two unbalanced AES audio outputs delayed equivalently to the embedded audiodelay
- 75Ω coaxial (unbalanced) DARS reference input on BNC
- Loss of video modes: pass audio, mute audio
Specifications
Analog Video Input
| Standard | SMPTE ST 274, ST 296 (analog), 1080i/59.94, 720p/59.94, 1080i/50 |
|---|---|
| Input Formats | GBR or YPbPr |
| Number of Inputs | 1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 1V nominal |
| Frequency Lock Range | ±75ppm from nominal |
| Input level control range | > ±15% |
| Black level control range | > ±10 IRE |
| Input Impedance | 75Ω |
| Return Loss | > 30dB to 30MHz |
Reference Video Input
| Standard | Tri-level sync, analog SMPTE ST 274, ST 296 NTSC (SMPTE ST 170), PAL (ITU624-4) |
|---|---|
| Number of Inputs | 1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 1V nominal |
| Frequency Lock Range | ±75ppm from nominal |
| Input Impedance | 75Ω or High impedance (jumper selectable) |
| Return Loss | > 35dB to 10MHz |
Monitoring Analog 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 |
| Output Impedance | 75Ω |
| Return Loss | > 30dB to 10MHz |
Serial Video Output
| Standard | ST 292-1 (ST 274, ST 296) |
|---|---|
| Number of Outputs | 2+1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 800mV nominal |
| DC Offset | 0V ±0.5V |
| Rise And Fall Time | 180ps nominal |
| Overshoot | < 10% of amplitude |
| Return Loss | > 13dB to 1.5GHz |
| Embedded Audio | ST 299-1 |
Video Performance
HD SDI outputs only| Frequency Response | (Y, Pb, Pr input) |
|---|---|
| Y | < ±0.05dB to 30MHz |
| Cb, Cr | < ±0.05dB to 15MHz |
| Inter-channel Delay | < ±5ns |
| Minimum Delay | 0.5µs |
| Maximum Delay | 1 line plus 0.5µs |
Analog Audio Input
-A4 only| Number of Inputs | 4 |
|---|---|
| Type | Balanced analog audio |
| Connector | Removable terminal strip |
| Input Impedance | 20kΩ minimum (differential) |
| Sampling Frequency | 48kHz |
| Signal Level | 0dB FS => 18 or 24dBu (jumper selectable) |
| Level Control Range | ±10dB |
| Frequency Response | ±0.1dB (20Hz to 20kHz) (broadcast quality) |
| SNR | 100dB with input at -0.5dBFS |
| THD+N | < 0.001% (> 100dB) @ 1kHz, -0.5dB FS (rev 2) < 0.001% (> 100dB) @ 20Hz to 20kHz, -0.5dB FS (input video locked to genlock video) |
| CMRR | > 100dB @ 1kHz |
AES Outputs
-A4 only| Number of Outputs | 2 |
|---|---|
| Output Standard | SMPTE 276M, single ended synchronous AES 48kHz |
| Connectors | BNC per IEC 61169-8 Annex A |
| Resolution | 24 bits |
| Sampling Rate | Synchronous 48kHz |
| User Bits | Transferred to output in a non-realtime, non-block-contiguous manner |
| Minimum I/O Delay | 2.1ms |
| Maximum I/O Delay | 5s |
Electrical
| Voltage | +12V DC |
|---|---|
| Power | 14 watts ADC +9 watts (-A4 option) = 23 watts |
| EMI/RFI | Complies with FCC Part 15, Class A EU EMC Directive |
Physical
| Number of Slots | |
|---|---|
| Non-audio Versions | 1 |
| Audio versions (-A4) | 2 |
Stand Alone Enclosure
| Dimensions | 14" L x 4.5" W x 1.9" H (355mm L x 114mm W x 48mm H) |
|---|---|
| Weight | Approx. 1.5lbs (0.7kg) |
Ordering Information
| 7730ADC-HD | Component Analog Video to HD SDI Converter |
|---|---|
| 7730ADC-A4-HD | Component Analog Video to HD SDI Converter with a four-channel Analog Audio Converter/Embedder |
Ordering Options
| Notes | • Rear plate must be specified at time of order - eg: [model]+3RU |
|---|
| 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 up to 4 single slot or 2 dual slot modules |
| S7701FR | 7700 Series Standalone Enclosure |