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PDF APS3602 Data sheet ( Hoja de datos )
| Número de pieza | APS3602 | |
| Descripción | Active Splitter | |
| Fabricantes | ANADIGICS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de APS3602 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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FEATURES
• Single Input, Triple Output Design
- Three Video Tuner Outputs
• 5 dB Typical Noise Figure at 5 dB Gain
• Wide Dynamic Range AGC Control,
Independent for each Tuner Path
• High Linearity, Low Distortion
• Single +5 V Supply
• Balanced 75 Ohm Inputs/Outputs
APPLICATIONS
• CATV Set-Top Boxes with Multiple Tuners
APS3602
Active Splitter for CATV Set-Top Boxes
PRELIMINARY DATA SHEET - Rev 1.0
S29 Package
28 Pin QFN
5mm x 5mm x 1mm
PRODUCT DESCRIPTION
This active splitter from ANADIGICS accepts a
balanced RF input in the 50 to 860 MHz frequency
range and provides three balanced RF outputs with
minimal degradation in signal quality. The single-
package surface mount device amplifies the input
signals using highly linear, low noise amplification
wwswta.Dgeatsa,Sahenedt4cUo.cuopmles the amplified signal to three
separate output paths to drive video tuner inputs.
Each of the output paths includes independent
Automatic Gain Control (AGC). The overall linearity
of each tuner path is maintained across a wide AGC
range, ensuring low distortion effects on each output
signal.
Requiring only a single +5 Volt supply, the active
splitter design is implemented using the
ANADIGICS GaAs MESFET process. The surface
mount packaging makes the device ideal for use in
today’s multiple-tuner set-top boxes for Cable TV.
AGC VID1 AGC VID2 AGC VID3
RFIN+
RFIN-
VID1OUT+
VID1OUT-
VID2OUT+
VID2OUT-
VID3OUT+
VID3OUT-
Figure 1: Functional Block Diagram
05/2004
1 page  
PERFORMANCE DATA
APS3602
Figure 3: Gain vs. Frequency
(TA = +25 °C, VCC = +5 V)
10
5
Figure 4: Input Return Loss vs. Frequency
(TA = +25 °C, VCC = +5 V)
-5
-6
-7
0 -8
Vagc = +3.0 V
Vagc = +1.0 V
-5
Vagc = +2.0 V
Vagc = 0 V
Vagc = +1.5 V
-10
-15
-20
-9
-10
-11 Vagc = +3.0 V
Vagc = +2.0 V
-12 Vagc = +1.5 V
Vagc = +1.0 V
-13 Vagc = 0 V
-14
-25
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
-15
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
Figure 5: Output Return Loss vs. Frequency
(TA = +25 °C, VCC = +5 V)
0
-5
-10
-15
Vagc = +3.0 V
Vagc = +2.0 V
www-2.0DataSheet4VaUgc.c= +o1m.5 V
Vagc = +1.0 V
Vagc = 0 V
-25
-30
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
Figure 6: Reverse Isolation vs. Frequency
(TA = +25 °C, VCC = +5 V)
-25
-30
-35
-40
-45
-50
Vagc = +3.0 V
-55 Vagc = +2.0 V
Vagc = +1.5 V
-60 Vagc = +1.0 V
Vagc = 0 V
-65
-70
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.0
05/2004
5
5 Page 
NOTES
APS3602
www.DataSheet4U.com
PRELIMINARY DATA SHEET - Rev 1.0
05/2004
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet APS3602.PDF ] | |
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