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PDF SL2150F Data sheet ( Hoja de datos )
| Número de pieza | SL2150F | |
| Descripción | Front End Power Splitter | |
| Fabricantes | Zarlink Semiconductor | |
| Logotipo |  |
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Features
• Single chip quadruple power splitter (primary
channel, secondary channel, OOB channel and
loop through)
• Wide dynamic range on all channels
• Independent AGC facility incorporated into all
• channel paths
• CSO, CTB, CXM all better than -62dBc for
+3dBmV agc attack point
• Full ESD protection. (Normal ESD handling
procedures should be observed)
Applications
• Multi-tuner cable set top box and cable modem
applications
• Data communications systems
• Terrestrial TV tuner loop though
SL2150F
Front End Power Splitter with AGC
Data Sheet
DS5535
Issue 2.1
April 2002
Ordering Information
SL2150F/KG/LH2S (tubes)
SL2150F/KG/LH2T (tape and reel)
Description
The SL2150F is a wide dynamic range single chip power
splitter for cable set top box multi-tuner applications.
The device offers four buffered outputs from a single
input.
All signal paths contain an independently controllable
AGC facility.
AGC1
AGC2
AGC3
AGC4
AGC
Control
RFOUT1
RFOUT1B
RFINPUT
RFINPUTB
Power
Splitter
AGC
Control
AGC
Control
RFOUT2
RFOUT2B
RFOUT3
RFOUT3B
SEMICMF.019
AGC
Control
Figure 1 - SL2150F Block Diagram
RFOUT4
RFOUT4B
1
1 page  
Data Sheet
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
100
Input NF vs Frequency at 25 deg C (with matching network)
SL2150F
200 300 400 500 600 700 800 900
Frequency (MHz)
Figure 5 - Input NF at 25 deg C
-15dBm
-72 dBm
-81 dBm
df
f2-f1
f1-df f1
f2 f2+df
Figure 6 - Two Tone Intermodulation Test Condition Spectrum, Input Referred
SEMICMF.019
5
5 Page 
Data Sheet
Electrical Characteristics (continued)
SL2150F
Characteristic
pin
min
typ
max
units
Conditions
Input referred IM3
-66 dBc See note 2 and Figure 6.
-46 dBc See note 3 and Figure 6.
All gain settings
CSO
-62 dBc See note 4 and Figure 9.
CTB
-64 dBc See note 4.
CXM
-64 dBc See note 4.
Input P1dB
+4.5 dBm All gain settings, with load
as in Figure 12 - "Example
Application Driving 75 Ohm
Load"
Gain variation
within channel
0.25 dB Channel bandwidth 8 MHz
within operating frequency
range, all loops, all gain
settings
Output
impedance
11,12,
15,16
20,21
24,25
440
Ω Differential
Output port DC
standing current
11,12,
15,16
20,21
24,25
25 mA Standing current that any
external load has to sustain.
AGC input
leakage current
6,7
8,9
-150
150 µA Vagcip =Vee to Vcc, all
control inputs.
Crosstalk
between all loop
outputs
-25 dB All gain settings, measured
differential output to
differential output, driven
ports in phase and
monitored ports out of
phase, see Figure 10 - "Test
Condition for Output
Crosstalk".
Crosstalk
between outputs
and RF input
-30 dB All gain settings, measured
differential output to single
ended input, driven ports in
phase, see Figure 11 - "Test
Condition for Output to Input
Crosstalk"
Note 1:
Note 2:
Note 3:
Note 4:
All power levels are referred to 75Ω and 0 dBm = 109 dBµV.
Any two tones within RF operating range at -15 dBm, from single-ended 75 ohm source into differential 75Ω load as in
Figure 12 - "Example Application Driving 75 Ohm Load", gain setting between maximum and -15dB backoff.
Any two tones within RF operating range at -5 dBm, from single-ended 75 ohm source into differential 75Ω load as in Figure
12 - "Example Application Driving 75 Ohm Load".
Load as in Figure 12 - "Example Application Driving 75 Ohm Load" and Figure 13 - "Example Application Driving 200 Ohm
Load with Inductive Pull Up", max gain, 132 channel matrix, 75 ohm source with all channels at +15 dBmV, assuming power
match.
SEMICMF.019
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet SL2150F.PDF ] | |
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