Bi-directional Trunk Amplifier
Bi-directional cable television system for transmission and distribution network
Manual gain and equalization adjustments to adapt to a variety of application environments
Field-select 1-way, 2-way or 3-way output, flexible to cope with various requirements
Free choice of the power transmission path
Patented waterproof technology, reliable technology, Thunder and Lightning Surge
Switching power supply, adaptive wide voltage range 30 ~ 90Vac
|
Item |
Forward |
Reverse |
UNIT | ||||||
|
Port state |
1-Out |
2-Out |
3-Out |
1-Out |
2-Out |
3-Out |
|||
|
Frequency |
47862 |
530 |
MHz | ||||||
|
Gain |
LAB-8323 |
30 |
26/26 |
28/20/20 |
21 |
18/18 |
20/10/10 |
dB | |
|
LAB-8303 |
30 |
26/26 |
28/20/20 |
-1 |
-4 |
-2/-10/-10 |
dB | ||
|
Gain Adjustable Range |
020 |
020 |
dB | ||||||
|
Isolation Between Out to Br. |
18 |
dB | |||||||
|
Flatness |
±0.75 |
dB | |||||||
|
Settled slope |
6 |
0 |
dB | ||||||
|
Return Loss |
12 |
12 |
dB | ||||||
|
Slope Adj. Range |
626 |
/ |
dB | ||||||
|
EQ Adj. Range |
-20±2 |
dB | |||||||
|
Noise Figure |
LAB-8323 |
8 |
8 |
dB | |||||
|
LAB8303 |
/ | ||||||||
|
Nominal Output Level |
LAB-8323 |
94/100 |
100 |
dBμV | |||||
|
LAB8303 |
/ | ||||||||
|
Nominal Input Level |
LAB-8323 |
70 |
80 |
dBμV | |||||
|
LAB8303 |
/ | ||||||||
|
Composite Triple Beat |
LAB-8323 |
-56 |
-60 |
dBc | |||||
|
LAB8303 |
/ | ||||||||
|
Composite 2nd Distortion |
LAB-8323 |
-58 |
-60 |
dBc | |||||
|
LAB8303 |
/ | ||||||||
|
Hum Modulation |
-66 |
dBc | |||||||
|
Current Passable |
6 |
A | |||||||
|
Surge Protection |
61.2/50μs-8/20μs Combination Wave |
kV | |||||||
|
Power Supply |
3090Vav,50Hz, 15VA |
3090Vav,50Hz, 10VA |
V/VA | ||||||
|
Operating Temperature |
-25+55 |
||||||||
Note:LAB-8303 no assembly Amplifier Module in return path.
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