FBI 100 停产

音频和视频反馈回路隔离器
主要特性
  • 有选择地切断 VCR 输入路径或输出路径以防止通过 VCR 的视音频反馈 回路
  • 有源电路提供高性能无噪声操作
  • 双色 LED 清晰指示录制模式或播放/停止模式
  • 用于简便自动操作的触点闭合控制
The Extron FBI 100
型号 产品说明 产品编号
 FBI 100 VCR 反馈回路隔离器 60-743-01 停产

该产品已停产。

Extron FBI 100 反馈回路隔离器设计用于防止视音频系统中用一个 VCR 同 时进行录制和播放时可能出现的反馈回路。当 VCR 通过其视音频输入端 口(如摄像机和麦克风)录制信号时,它会将相同的信号输出回系统中。FBI 100 可以防止音频反馈回路,具体表现为如果通过切换系统将 VCR 输出信 号路由回到其视音频输入,则会出现逐渐增大的音调。

特性

  • 有选择地切断 VCR 输入路径或输出路径以防止通过 VCR 的视音频反馈 回路
  • 有源电路提供高性能无噪声操作
  • 双色 LED 清晰指示录制模式或播放/停止模式
  • 用于简便自动操作的触点闭合控制
可选附件
  MBU 123 用于 1/8、1/4 和 1/2 机架宽产品的薄型安装套件
  RSF 123 用于 3.5" 深产品的机架搁板套件

技术参数

FBI 100 Feedback Isolator
Video
   Gain Unity
   Bandwidth 10 MHz (-3 dB)
Video input
   Number/signal type 2 composite video
   Connectors 2 female BNC
   Nominal level 1 Vp-p for composite video (including sync)
   Minimum/maximum levels Analog: 0.3 V to 1.5 Vp-p with no offset
   Impedance 75 ohms
   Input coupling DC
Video output
   Number/signal type 2 composite video
   Connectors 2 female BNC
   Nominal level 1 Vp-p for composite video (including sync)
   Minimum/maximum levels Analog: 0.3 V to 1.5 Vp-p with no offset, follows input
   Impedance 75 ohms
Sync
   Standards NTSC 3.58, NTSC 4.43, PAL, SECAM
Audio
   Gain 
      Overall (from "From Source" to "To Destination")
       Unbalanced output: -6 dB; balanced output: 0 dB
      From "From Source" to "To VCR In"
       -12 dB
      From "From VCR Out" to "To Destination"
       Unbalanced output: +6 dB; balanced output: +12 dB
   Frequency response 20 Hz to 20 kHz, ±0.05 dB
   THD + Noise 0.03% @ 1 kHz at nominal level
   S/N >90 dB at maximum output (unweighted)
   Stereo channel separation >80 dB @ 1 kHz, >60 dB @ 20 kHz
   CMRR >75 dB @ 20 Hz to 20 kHz
Audio input
   Number/signal type 
      "From Source" 1 stereo balanced/unbalanced
      "From VCR Out" 1 stereo, unbalanced
   Connectors 
      "From Source" (1) 3.5 mm captive screw connector, 5 pole
      "From VCR Out" 1 pair RCA
   Impedance >12k ohms unbalanced, 24k ohms balanced, DC coupled
   Nominal level 
      "From Source" +4 dBu (1.23 Vrms)
      "From VCR Out" -10 dBV (316 mVrms)
   Maximum level 
      "From Source" +27 dBu, (balanced) at 1% THD+N
      "From VCR Out" +11 dBV, (unbalanced) at 1% THD+N
   Input coupling DC
Audio output
   Number/signal type 
      "To VCR In" 1 stereo, unbalanced
      "To Destination" 1 stereo, balanced/unbalanced
   Connectors 
      "To VCR In" 1 pair RCA
      "To Destination" (1) 3.5 mm captive screw connector, 5 pole
   Impedance >50k ohms unbalanced, 100k ohms balanced
   Maximum level 
      "From Source" +25 dBu, balanced at 1% THD+N
      "From VCR Out" +11 dBV, unbalanced at 1% THD+N
Control/remote — feedback isolator
   Contact closure (1) 3.5 mm captive screw connector, 2 pole
General
   External power supply 100 VAC to 240 VAC, 50-60 Hz, external; to 12 VDC, 1 A (max), regulated
   Power input requirements 12 VDC, 0.2 A
   Mounting 
      Rack mount Yes, with optional 1U rack shelf kit
      Furniture mount Yes, with optional brackets
   Enclosure type Metal
   Enclosure dimensions 1.7" H x 4.4" W x 3.0" D (1U high, quarter rack wide)
(4.3 cm H x 11.3 cm W x 7.6 cm D)
(Depth excludes connectors.)
   Product weight 0.7 lbs (0.3 kg)
   Shipping weight 3 lbs (2 kg)
   Warranty 3 years parts and labor
(7.6-101509-D8)

示意图

FBI 100 System Diagram

面板图

FBI 100 Panel Drawing