Repeater Compositions / ISDB-T Digital TV Broadcasting Relay Systems

Product code: 6899DB

Outline

This is a wideband-pass output filter. The signal from MCPA is passed, an unnecessary signal is removed at the same time with this equipment, and it is sent to the antenna side.

Structure

JIS rack mounting type
External size: 480(W) x 199(H) x 400(D)mm
Mass: 26.0kg or less

Specification

Environmental requirements	Temperature	-10°C to +45°C (Range for in-spec)
		-20°C to +60°C (Range for spec restorable)
	Humidity	45% to 90%RH (Without dew.)
Use conditions	Continuous use

Performance

Frequency	Specified 4 consecutive channels of UHF
Band width	24MHz
Insertion loss	1.0dB or less (In the use bandwidth)
Band pass ripple	1.0dB or less (In the use bandwidth)
I/O impedance	50Ω
I/O connector	S-J type
Input return loss	18dB or more (In the use bandwidth)
Attenuation	15dB or more at pass-edge ±1.5MHz
	20dB or more at pass-edge ±6MHz
	30dB or more at pass-edge ±20MHz
	40dB or more at  2fc, 3fc, 4fc
Group delay	500nsp-p or less
Amount of monitor uniting	40dB±3dB or less
Monitor connector	BNC-J type
Power consumption	Average power 30W/CH

Function

This equipment is passing two or more channels (four continuous waves) output from MCPA and connected with the antenna side by.

The output side is equipped with 2 monitor terminals. It will be used for the usual monitor and the wattmeter.