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PDF MT1110 Data sheet ( Hoja de datos )
| Número de pieza | MT1110 | |
| Descripción | BROADBAND AMPLIFIER | |
| Fabricantes | ETC | |
| Logotipo |  |
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M I C R O T U N E™
MT1110 75Ω BROADBAND AMPLIFIER
ADVANCE DATA SHEET
CATV DISTRIBUTION APPLICATIONS
1 APPLICATIONS
• Set-top box
• Home gateways
• CATV Broadband distribution
• Cable splitters
• Laser drivers
• Optical receivers
2 FEATURES
• Cascadable 75Ω gain block
• 15 dB Gain
• 3 dB Noise figure
• Unconditionally stable
• 20 dB Input return loss
• 1 MHz to 2000 MHz 3 dB bandwidth
• +0.5 dB Gain tilt from 50 MHz to 850 MHz
• Typical OIP3 at 70 mA is 80 dBmV at 850 MHz
• Single +5V supply
• 70 mA Current consumption
• SOT-89 Package
• Industry standard pin-out for drop in compatibility
3 OVERVIEW
The Microtune 1110 (MT1110) broadband amplifier is a 75Ω internally matched
amplifier designed for broadband CATV distribution and infrastructure applications.
The MT1110 is built using high performance silicon-germanium (SiGe) technology
and offers 15 dB gain with an industry best noise figure of 3.0 dB. It achieves a third
order intercept point of 80 dBmV while drawing the industry’s lowest current, 70 mA,
from a single 5V supply.
Specifically designed for cable, data, and video applications, the MT1110 features a
unique integrated equalization circuit that adds 0.5 dB of positive tilt to the gain
slope to compensate for a commonly occurring frequency dependent attenuation
found in broadband applications.
The MT1110’s Darlington circuit topology produces high linearity with very low noise
while maintaining matched input and output impedances. Two AC coupling
capacitors, a bias resistor, and an optional inductor are the only external
components required.
The MT1110 is available in a SOT-89 package for the extended industrial
temperature range of -40°C to +85°C.
DS-00019
Rev 1.1 -- September 2001
Page 1 of 9
1 page  
MT1110 75Ω BROADBAND AMPLIFIER
ADVANCE DATA SHEET
CATV DISTRIBUTION APPLICATIONS
-50
131 Ch
112 Ch
79 Ch
-55
Output = 25 dBmV / Tone
-60
-65
-70
-75
-80
5 105 205 305 405 505 605 705 805 905
Frequency (MHz)
Figure 8 CSO Sum vs Frequency
-60
Output = 25 dBmV / Tone
131 Ch
-62 112 Ch
79 Ch
-64
-66
-68
-70
-72
-74
-76
-78
-80
5
105 205 305 405 505 605 705 805 905
Frequency (MHz)
Figure 10 CTB vs Frequency
100
90
80
70
60
50
40
30
20
3.2
3.4
Figure 12
3.6 3.8
4 4.2 4.4 4.6
VBias (V)
Collector Current vs VBias
4.8
5
-50
Output = 25 dBmV / Tone
131 Ch
112 Ch
-55 79 Ch
-60
-65
-70
-75
-80
5 105 205 305 405 505 605 705 805 905
Frequency (MHz)
Figure 9 CSO Difference vs Frequency
-60
131 Ch
-62 112 Ch
79 Ch
-64
Output = 25dBmV / Tone
-66
-68
-70
-72
-74
-76
-78
-80
5 105 205 305 405 505 605 705 805 905
Frequency (MHz)
Figure 11 Xmod vs Frequency
DS-00019
Rev 1.1 — September 2001
Page 5 of 9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MT1110.PDF ] | |
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