A short video showing the solution to the problems of unpleasant shocks, humming, and sparks that sometimes occur when we connect our TV equipment.
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In bigger installations, the differences of potentials between individual parts of the antenna/cable networks may cause overvoltages and surge currents effecting in sparks when connecting the equipment (and even light electric shocks). It may also be the reason of unexpected damages of the equipment like amplifiers or even receivers. The solution to the problems is the use of galvanic isolators...
• Solves problems caused by potential differences between network segments, network and receivers etc.
• Operating band: 2400 MHz
• Low loss (<1.5 dB up to 1000 MHz)
• Full galvanic isolation (both of signal path and screen
• Breakdown voltage 3000 V for 1 minute test with current leak < 0.7 mA
• Operating band: 2400 MHz
• Low loss (<1.5 dB up to 1000 MHz)
• Full galvanic isolation (both of signal path and screen
• Breakdown voltage 3000 V for 1 minute test with current leak < 0.7 mA
Details
In bigger installations, the differences of potentials between individual parts of the antenna/cable networks may cause overvoltages and surge currents effecting in sparks when connecting the equipment (and even light electric shocks). It may also be the reason of unexpected damages of the equipment like amplifiers or even receivers. The solution to the problems is the use of galvanic isolators.
The example of such devices is the Signal unit. It ensures full galvanic isolation, i.e. both signal and shielding paths are completely separated from each side. Small size and low attenuation within 5-1000 MHz range (not exceeding 1.5 dB) make it a very useful item protecting against potential risks. The galvanic isolator should be used at the input of a building network, as well as at the points of distributing the signal to individual staircase installations.
In practice, such isolators should be used at the output of each building amplifier. Another application is to isolate the chassis of PC employing TV-tuner from the zero voltage rail of the cable system. This way, a difference of potentials does not harm signal quality, as well as modern sensitive cut-outs will not switch off the power network.
Characteristics of the device: BLUE - attenuation, RED - impedance matching
Example of application - isolation in each staircase
Specifications
Product type | Galvanic isolator | ||
Applications | Individual systems | ||
Brand | SIGNAL | ||
Protector information | |||
Operating band | MHz | 5 – 2400 | |
Input | F-socket | ||
Output | F-socket | ||
Insertion loss | dB | Typical 1 dB (for 5 – 550 MHz), Typical 1.5 dB (for 550 – 1000 MHz) | |
DC breakdown voltage at 100 V/s | V | 3000 |