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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®.

特点|

  • 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

指标|

串行视频输入

标准 SMPTE ST 259-C - 525 或 625 行分量
输入数量 2
接头 BNC per IEC 61169-8 Annex A
回波损失 > 15dB 到 270MHz
嵌入音频 SMPTE ST 272-A
频率同步范围 ±75ppm fro称
热交换锁定时间 None or 7 frames (based on lock mode)

模拟视频输出

标准 NTSC (SMPTE ST 170), PAL (ITU624-4)
输出数量 每路输入视频两路
接头 BNC per IEC 61169-8 Annex A
信号电平 1V 标称
阻抗 75Ω
直流偏置 0V ±50mV
反射损失 > 45dB 到 10MHz
频率响应 < ±0.1dB 到 4MHz (反应根据选中的过滤而不同)
微分增益 < 0.5% (< 0.3% 典型的)
微分相位 < 0.5° (< 0.3° 典型的)
信噪比 > 75dB (黑场, 100kHz - 5MHz)
控制范围
输出电平 ±10%
黑电平 ±7.5IRE
色度电平 ±10%
色调 ±15° (只用于 NTSC)
最小延迟 3µs
最大延迟 1 帧 + 3µs (只适用于 +S 选项)

基准视频输入

标准 NTSC (SMPTE ST 170), PAL (ITU624-4)
输入数量 1
接头 BNC per IEC 61169-8 Annex A
信号电平 1V 标称 (0.5V - 1.5V)
频率同步范围 ±75ppm fro称
阻抗 75Ω 或高阻抗 (跳线选择)
反射损失 > 25dB to 10MHz
最大副载波抖动 < 3°
自由运行频率
控制范围
> ±10ppm (> ±270Hz)

模拟监视器视频输出

标准 NTSC (SMPTE ST 170), PAL (ITU624-4)
输出数量 1
接头 BNC per IEC 61169-8 Annex A
信号电平 1V 标称
阻抗 75Ω
反射损失 > 35dB to 10MHz

模拟音频输出

-A4 and -A8 版本
类型 平衡模拟音频
输出数量
-A4 4 (每个通道两路)
-A8 8 (每个通道两路)
接头
-A4 两个 6 针可移走终接条
-A8 Single 16 pin removable terminal strip
阻抗 66Ω 平衡的
取样率 48KHz
信号电平 0dBFS => 12dBu - 25dBu (用户可设)
频率响应 < ±0.05dB (20Hz - 20kHz)
动态范围 24 比特当 AES 输入被选中时;20 比特当嵌入音频被选中时
THD+N < 0.001% (> 100dB) @ 1kHz, -1dBFS
串扰 < -105dB (20Hz - 20kHz)
直流偏置 < ±30mV
信噪比 > 110dB "A" Weig��
内部通道相位错误 < ±1° (20Hz - 20kHz)

非平衡AES 音频输入

-A4 版本
输入数量
-A4 2
-A8 4
标准 SMPTE ST 276, 单终结(Single ended) 同步或异步 PCM AES
接头
-A4 BNC per IEC 61169-8 Annex A
-A8 DB15
分辨率 最高 24 比特
取样率 32kHz - 48kHz
最小输入/输出延迟 3.5ms

平衡AES 音频输入

-A4 版本
输入数量 2
标准 AES3-1992, 平衡同步或异步 PCM AES
接头 6 针可拆除终接条
阻抗 110Ω
分辨率 最高 24 比特
取样率 32kHz - 48kHz
电平 2V 到 7V p-p
最小输入/输出延迟 3.5ms

电气

电压 +12V DC
功率
7736CE2 10.2 瓦
7736CE2-A4 17.75 瓦
7736CE2-A8 18 瓦
EMI/RFI 符合 FCC Part 15 Class A, EU EMC 指标

物理参数

插槽数
7736CE2 1
736CE2-A4 2 (7800FR)
1 (7701FR)

订购信息|

7736CE2 双复合编码器
7736CE2‑A4 双复合编码器, 带4路模拟输出
7736CE2‑A8 双复合编码器, 带8路模拟输出

订购可选项

注意 Rear plate must be specified at time of order - eg: [model]+3RU
+S 帧同步器
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