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OPCA-8100(K) 8100 Field Bidirectional Amplifier

 

5. The equipment can work steadily outdoor under bad environmental condition, because of waterproof aluminium case, high reliability switching power supply and lightning protection system.

 

Item	Unit	Parameter OPCA-8100-XX / 8100K-XX
		8124-XX	8128-XX	8127K-XX	8130K-XX
Forward Path
Frequency Range	MHz	47/87~862
Rated Gain	dB	24	28	27	30
Minimum Full Gain	dB	≥24	≥28	≥27	≥30
Rated Input Level	dBμV	72
Rated Output Level	dBμV	96	100	99	102
Flatness in Band	dB	±0.75
Noise Figure	dB	≤10
Return Loss	dB	≥16
C/CTB	dB	≥67	≥63	≥67	≥63
C/CSO	dB	≥64	≥62	≥64	≥62
Group Delay	ns	≤ 10 (112.25 MHz/116.68 MHz)
Signal to Hum Ratio	%	< 2
Gain Stability	dB	-1.0 ~ +1.0
Return Path
Frequency Range	MHz	5~30/65
Rated Gain	dB	12		20
Minimum Full Gain	dB	≥ 12		≥ 20
Maximum Output Level	dBμV	≥ 110
Flatness in Band	dB	±0.75
Noise Figure	dB	≤ 12
Return Loss	dB	≥ 16
Carrier to Second-order Inter-modulation Ratio	dB	≥ 52
Group Delay	ns	≤ 20 (57MHz/59MHz)
Signal to Hum Ratio	%	< 2
General Characteristic
Characteristic Impedance	Ω	75
Supply Voltage	V	A: AC (135~250) V; B: AC (35~90) V
Impulse Withstand Voltage（10/700μs）	KV	>5
Power Consumption	W	20
Dimensions	mm	260 (L) x210 (W) x 120 (H)

 

There should be 3 frequencies as f1=10MHz, f2=60MHz and f3=50MHz when test the of “Carrier to Second-order Inter-modulation ratio ”uplink transmission paths in the level of 110 dBμV.