Kramer TR1
Video Isolation Transformer


The Kramer TR-1 is a high-resolution video isolation transformer, with a video bandwidth exceeding 5.8 MHz and excellent linearity, offering total galvanic isolation between input and output. The TR-1 can be used in all applications where interference problems due to improper grounding and different ground potentials affect the quality of the video signal. It is a purely passive unit, and is ideal for fieldwork. This machine is part of the Kramer TOOLS family of compact, high quality and cost effective solutions for a variety of applications.

Kramer TR-1 Specifications:

  • Input: 1 composite video, 1Vpp/75 ohm on a BNC connector
  • Output: 1 composite video, 1Vpp/75 ohm on a BNC connector
  • Max. Output Level: 4 Vpp/75 ohm
  • Bandwidth (-3dB): 5.8 MHz
  • Diff. Gain: 0.05%
  • Diff. Phase: 0.05°
  • K-Factor: 1.2%
  • S/N Ratio: 73.4 dB
  • Tilt: 0.1% @ Pulse & Bar
  • Non-Linearity: 0.1%
  • Coupling: Transformer
  • Power Source: Passiv
  • Dimensions (W x D x H): 4.7" x 2.88" x 1.2"
  • Weight: 0.75 lbs, approx.
  • Accessories: Mounting brackets
  • Option: RK-T1, RK-T3 19" rack adapter
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