Specification:
|
ITEMS |
FORWARD PATH |
RETURN PATH |
|
Frequency Range |
82 ~ 1,000 MHz, or higher |
5 ~ 65 MHz |
|
Operating Gain (Includes DPXs, EQs, AGC, …, and Direct Output Module) |
≥ 38 dB, full range |
≥ 20 dB, full range |
|
Response Flatness |
≤ ± 0.75 dB |
|
|
|
0 ~ 20 dB, |
0 ~ 20 dB, |
|
Slope |
3 ~ 15 dB, |
3 ~ 9 dB, |
|
Noise Figure |
≤ 9 dB |
≤ 9 dB |
|
Return Loss (75-ohm Reference) |
≥ 12 dB, full range |
|
|
Recommended Output Levels (Direct Output) |
≥ 38.5 / 52 dBmV (82 / 1,000 MHz) |
≥ 42 / 42 dBmV (5 / 65 MHz) |
|
Rated Signal Level Distortion (*) |
|
|
|
Cross Modulation (XMOD) |
≤ - 60 dB |
≤ - 60 dB |
|
Composite Second Order (CSO) |
≤ - 63 dB |
≤ - 63 dB |
|
Composite Triple Beat (CTB) |
≤ - 63 dB |
≤ - 63 dB |
|
Input / Output Impedances |
75 ohms, 5/8-24 Female |
|
|
Hum Modulation |
≥ 65 dB @ 10A passing current |
|
|
Power Requirements |
40 ~ 90 VAC / 50 ~ 60 Hz, or larger |
|
|
Internal Circuit Voltage |
24 ± 0.3 VDC (high efficient switchmode power supply), withstand ≥1.5A Load overload, overvoltage, short circuit protection. |
|
|
Housing Design
|
Die-cast aluminium housing design with paint/coating for: - Good heat spread (Operating Temp.: 0 ~ +60oC, or wider). - RF shielding ≥ 110 dB. - IP67 degree of dust and water protection. - For strand and pedestal mounting. |
|
NOTE:
-Measured with 132 NTSC (or 96 PAL) channels of Forward Path, at least 4 T-channels of Return Path, at Recommended Output Levels.
- Support Adj. Attenuator / plug-in Attenuator (PAD), plug-in DPX, and plug-in EQ between hybrid modules.
- Support Forward IN and OUT Test Ports (-20 dB), Return IN and OUT Test ports (-20 dB).
- Return Attenuator and EQ must be designed / located at OUTPUT of Return Amp. Module.
- Support one or two outputs by plug-in jumper or splitter.
- Lightning Arrestors at all IN/OUT Ports.
- RF Amp. Platform can be pluggable.
