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CATV Drop Amplifier

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Specifications

Forward Gain 0dB, Reverse gain 0dB ,3 RF Out,1 VOIP
Parameter			Typical	Worst	Unit
Forward Path 54-1000 MHz
Gain	RF OUT		0	-1.5	dB
Insertion Loss	Digital Phone		-1.5	-2.5
Flatness			± 0.7	± 1
Out-Out Isolation				-20
Cross Modulation			-75	-70	dBc
CTB			-75	-70
CSO			-65	-62
Noise Figure			3.8	4.5	dB
Group Delay	CH2		Span 3.58MHZ	20	ns
	CH3			10
	CH5 >			5
Return Path 5-42 MHz
Gain	Out1,2,3		0	-1.5	dB
Flatness			± 0.5	± 1.0
Out-Out Isolation				-20
2nd Order Intermodulation			-80	-75	dBc
3rd Order Intermodulation			-60	-58
Noise Figure			6	6.5	dB
Group Delay	5-42MHZ		Span 1MHZ	20	ns
	10-36MHZ			3
General Specifications 5-42 MHz, 54-1000 MHz
Impedance		75			Ohm
Return Loss		20		18	dB
Hum Modulation		-80		-75
RFI				100
Surge Withstand Capability		6kV 3kA,Combo Wave IEEE (C62.41-1991) Category B3 Standard			RF IN
		6kV 200A,Ring Wave IEEE (C62.41-1991) Category A4 Standard			RF OUT
Operating Temperature		-40 to +60			o C
Power Consumption	DC12V	300 mA
Waterproof		Withstand 15 lbs/inch for 1 minute
Note:
(1) Input levels at +13.5 dBmV/CH (79 NTSC), plus digital after 550MHz at 6dB set-back.
(2) 50dBmv rev output level on each of 19,25,31MHz carriers,2nd order measured on 12MHz and 3rd order measured on 37MHz.
(3) Noise Figure of the gain block, behind coupler losses. Add 9dB for fwd input coupler loss,add 7.0dB for rev input splitter loss.

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