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Amplifier for renovation of radio wave interference facilities (extension amplifier)
This device can be upgraded to a facility compatible with 770 MHz, capable of transmitting terrestrial digital broadcasts.
Amplifier for renovation of radio wave interference facilities (trunk branch amplifier)
- The level adjustment features a BON switch that optimizes the attenuation at 770 MHz based on the attenuation at 222 MHz, along with EQ and ATT. - The pilot AGC function allows the output level to be kept constant despite fluctuations in the input level. - It also includes a thermal AGC function, enabling operation at a stable output level that absorbs temperature variations in cable loss, even in facilities where pilot AGC operation is not possible. - The number of branch output terminals can be changed to either 4-terminal output or 2-terminal output via switch selection. High output operation is possible in 2-terminal output mode. - The operating range for AC input voltage supports AC 20-30V / AC 40-60V without the need for switching. - The low power consumption design also takes into account the replacement of existing equipment during maintenance.
