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HFC

OPTICAL AMPLIFIER OPTICAL NODE OPTICAL PLATFORM OPTICAL RECEIVER OPTICAL TRANSMITTER OPTICAL SWITCH RF AMPLIFIER RF SWITCH

Lootom TGM2800D bi-directional amplifier

TGM2800D bi-directional amplifier adopts imported GaAs module amplification. It can be used in CATV network, digital network and telecom network with high gain, low ...

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Lootom TGM2800D bi-directional amplifier

Overview    TGM2800D bi-directional amplifier adopts imported GaAs module amplification. It can be used in CATV network, digital network and telecom network with high gain, low distortion and excellent flatness. It can be used as an amplifier or a distribution amplifier in bidirectional CATV system. Each port has independent bidirectional filter facilitates network test. Features         ● Input stage adopt imported CATV head-end amplifier modules, input and output stage adopt imported CATV exclusive power multiplier amplifier module, greatly improved the nonlinear distortion characteristics, RF output level is up to 108dBuV
        ● Bi-directional split frequency 42/54MHz or 65/87MHz optional (can be customized)
        ● Input stage, inter-stage level and the slope are step adjustable; reverse level port independent variable
        ● Balanced alternative technology, adopt attenuation plug-in form to do balanced adjustment
        ● Forward output, reverse input share a common external RF test point, easy for forward and reverse debugging
        ● Reserved for network management interface,transponder option has national standard network management interface, comply with SCTE HMS and IEC network management standard
        ● RF return port has 3-state reverse noise reduction switch and plug-in attenuator, easy for isolating various intrusive interference
        ● Users can choose dynamic noise isolator
        ● RF power level monitoring options optional, easy for remotely real-time monitoring the output signal level of the bi-directional distribution amplifier
        ● High-efficiently switching power, perfect multi-stage surge suppression circuitry, improved anti-lightning strike and anti-surge shocks, further improved the reliability Technical Specifications

NO.	Item	Unit	Description
1	Frequency Range	MHz	88～862 (1000)	5～65(42)
2	Input /Output Return Loss	dB	≥16(88～550MHz) ≥14(550～1000MHz)	≥16
3	RF Output Signal Level	dBμV	≥108 (single output port) ≥ 104(dual output port)	≥104
4	Flatness	dB	±0.75	±0.75
5	Full Gain(Min)	dB	≥ 34(single output port) ≥ 30(dual output port)	≥24(single output port)) ≥20(dual output port)
6	Gain Adjustment Range	dB	0～20	0～20
7	Slope Adjustment Range	dB	0～15	0～15
8	NF	dB	≤6.0	≤6.0
9	NPR	dB	/	≥40@dynamic range ≥35dB
10	HUM	dBc	≥66	/
11	CTB	dBc	≥71	/
12	CSO	dBc	≥68	/
13	Group Delay	ns	≤5.0 (112.25MHz/116.68MHz)	≤20.0 (57MHz/59MHz)
14	Dimension (W×H×L)	mm	230×330×130
15	Power (two options)	V	AC 60V 50Hz/AC 220V 50Hz
16	Operating Temperature	℃	-25～+65
17	Weight	kg	4

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