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PDF SL2009KG Data sheet ( Hoja de datos )
| Número de pieza | SL2009KG | |
| Descripción | Dual stage IF amplifier for cable tuners | |
| Fabricantes | Zarlink Semiconductor Inc | |
| Logotipo |  |
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SL2009
Dual stage IF amplifier for cable tuners
Features
• Single chip solution for tuner IF gain and AGC
• Contains 34 dB of AGC shared between two
AGC stages
• Design optimised for high signal handling with
low inter-modulation spurious generation
• I/O ports optimised to interface with standard
SAW filters
• ESD protection (Normal ESD handling
procedures should be observed)
DS5507
ISSUE 1.4
March 2002
Ordering Information
SL2009/KG/NP1T (Tape and Reel)
SL2009/KG/NP1S (Tubes)
The devices includes two stages of IF gain which are
both optimised to interface with inter-stage filters.
Both stages contain independent AGC facility, and
the first stage contains a level detect for control of the
tuner AGC.
Applications
• Cable Network interface modules and tuners
• Data communications systems
Description
The SL2009 is a dual IF amplifier intended for
application in cable tuners, and integrates all of the
IF gain and AGC required to deliver 1Vp-p in a
standard tuner configuration.
IFIP
IFIPB
VCCIF
AGC2
IFOP
VEE
IFOPB
VEE
1
8
16 VCCSAW
SDRIVEOP
SDRIVEOPB
AGCOUT
AGC1
SDRIVEIP
SDRIVEIPB
9 AGCBIAS
NP16
Figure 1 - Pin allocation
(12) AGC1
(11) SDRIVEIP
(10) SDRIVEIPB
(15) SDRIVEOP
(14) SDRIVEOPB
(1) IFIP
(2) IFIPB
(4) AGC2
AGC
SENDER
SAW
Driver
AGC
SENDER
AGC
SENDER
Figure 2 - Block diagram
AGCBIAS (9)
AGCOUT (13)
VccSAW (16)
Vee (6,8)
VccIF (3)
IFOP (5)
IFOPB (7)
1
1 page  
50
40
30
20
10
0
-10
-20
0
IFAmp AGC Slope ( Vcc = 5v, 25'C)
1234
AGC Voltage (V)
Figure 7 - Typical IF amplifier stage AGC characteristic
SL2009
5
5
5 Page 
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SL2009KG.PDF ] | |
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