Relay Compositions of DTV Relay Stations

Product code:6847HB/HC/HD/HE

Models

Product code	Type of function	Pet name
6847HB	2 non-adjacent waves	FI2MFB
6847HC	3 non-adjacent waves	FI2MFC
6847HD	4 non-adjacent waves	FI2MFD
6847HE	5 non-adjacent waves	FI2MFE

Performance

Range of frequency	Specified channel of UHF band
Band width	Fc ± 2.79MHz (Offset+143kHz)
Insertion loss	2.0dB or less
Pass band ripple	1.0dB or less (In the use bandwidth)
Impedance	50Ω
Input return loss	18dB or more (In the use bandwidth)
Group delay characteristic	100nsp-p or less(In the use bandwidth)
Attenuation feature	10dB or more at Fc ± 4.36MHz
	25dB or more at Fc ± 9MHz
	35dB or more at Fc ± 12MHz
Amount of monitor uniting	30dB ± 3dB or less (depends on specification.)
Use power	1W
Environmental requirements	Temperature	-10°C to +45°C (Range of in-spec)
		-20°C to +60°C (Range of spec restorable)
	Humidity	45% to 90%RH (Without dew.)

Structure

[Non-adjacent 4 waves]

[Non-adjacent 8 waves]

Connector

Input connector: TNC type FEMALE
Output connector: TNC type FEMALE
Monitor connector: BNC type FEMALE

Externals

480(W) x 49(H) x 400(D) mm (2 waves to 4 waves )
480(W) x 99(H) x 400(D) mm (5 waves to 8 waves )