Transcript
Product Specification Broadband Cable Networks / Kari Mäki
November 6, 2002
DVO623 1(2)
DVO623 FORWARD PATH AMPLIFIER for DVO fibre optic CATV link. It is a general purpose wide band amplifier with diplex filter at the output. The out-coming RF-power is measured by the wide band power detector to see the signal status. This product is fully compatible with DVX Head End system and can be installed in a standard DVX001 installation frame. Features • • • • • • •
Adjustable input attenuator Adjustable input equaliser GaAs PD output stage Front panel test point Extra signal injection point 3 equal return outputs Remote control of adjustements by using Commander software
Technical specifications Parameter
Specification (with diplex filters)
Note
Signal parameters Frequency range Return loss Forward gain Gain control range Nominal slope Slope control range Flatness RF test point Ext. In point Output level, CTB CENELEC Output level, CSO CENELEC Noise figure Return gain Return output level DIN45004B Return noise figure
47…862 MHz 18 dB 24.0 dB 0…- 8 dB 8 dB 0…+5 dB ± 0.5 20 dB -20 dB 112.0 dBµV 113.0 dBµV 10.0 dB 3 x 0 dB 3 x 112.0 dBuV 6.0 dB
1 2 3 4 5 4 6 7 8 9 10
General Power consumption Supply current (24 V) Supply current (12.5 V) Supply current (6.0 V) Connectors Dimensions Weight Operating temperature EMC
14.0 W 370 mA 350 mA 100 mA IEC-female 6U x 7HP x 170 mm 1.3 kg + 5...+ 45 °C EN50083-2
DVO623_spec_v11.doc, created on November 1, 2002, printed on November 6, 2002
Product Specification Broadband Cable Networks / Kari Mäki
DVO623
November 6, 2002
2(2)
Notes 1)
The product is available with different output diplex filters.
2)
At 40 MHz, -1.5 dB / octave. Always better than 15 dB. Return path is having a return loss of –20 dB or better.
3)
Typical value. Guaranteed gain is at least 23.0 dB.
4)
Adjustment with the steps of 0.2 dB. The pivot point for slope adjustment is at 862 MHz.
5)
Accuracy is ± 1.0 dB.
6)
Accuracy is ± 0.5 dB.
7)
The injected signal is having a 20 dB lower output level than the signal fed at the main input.
8)
Typically. EN50083-3, CTB at +25°C, 41 channels , sloped response.
9)
Typically. EN50083-3, CSO at +25°C, 41 channels., sloped response.
10) Typical value. The maximum value is 1.0 dB worse. The value is measured at the low end of the band. At 862 MHz the value is better.
Block diagram EXT. IN
TP F OUT R IN
dB IN
R OUT 1 2 3 CONTROLLER
DVX-BUS
Ordering information Product
Output split
Note
DVO623
0 dB jumper at output
Not available
DVO623 30
30/47 MHz
Available
DVO623 50
50/70 MHz
Not available
DVO623 65
65/85 MHz
Available
DVO623_spec_v11.doc, created on November 1, 2002, printed on November 6, 2002
