SL1914AKG ZARLINK [Zarlink Semiconductor Inc], SL1914AKG Datasheet

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SL1914AKG

Manufacturer Part Number
SL1914AKG
Description
SATELLITE TUNER FRONT END LNA WITH AGC
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
Features
Applications
Single chip solution for satellite tuner LNA and
AGC
Provides for 30 dB minimum AGC
Low DSB NF at maximum gain
High signal handling at minimum gain
Provides differential output drive
ESD protection (Normal ESD handling
procedures should be observed)
Satellite receiver systems
Data communications systems
Master Antennae Distribution Systems
RF INPUT
AGC
4
2
Figure 1 Block Diagram
Satellite Tuner Front End LNA with AGC
DS5137
Description
The SL1914 is a wideband LNA with AGC designed
primarily for application in satellite tuner front ends,
offering high signal handling capability with low noise
figure compatible with most common tuner input
requirements.
The SL1914 is optimised to complement the SL1925,
ZIF quadrature downconverter, integrating all the active
RF circuitry within the tuner, in a highly compact, efficient
solution, and offering a full 1-45 MS/s tuner capability.
Preliminary Information
Ordering Information
SL1914A/KG/MP1S
SL1914A/KG/MP1T
Preliminary Information
ISSUE 1.6
3
6
1
8
5
OUTPUT
OUTPUTB
Vcca
Vee
Vccb
SL1914
SL1914
April 1999
1

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SL1914AKG Summary of contents

Page 1

Features Single chip solution for satellite tuner LNA and AGC Provides for 30 dB minimum AGC Low DSB NF at maximum gain High signal handling at minimum gain Provides differential output drive ESD protection (Normal ESD handling procedures should be ...

Page 2

SP1914 Preliminary Information Quick Reference Data Characteristic Operating frequency Input DSB NF at max gain Maximum conversion gain Minimum conversion gain IPIP3 2T IPIP2 2T Functional Description The SL1914 is a bipolar, low noise AGC amplifier designed primarily for application ...

Page 3

Electrical Characteristics amb = - + 0V, Vcc = 5V 5%, These characteristics are guaranteed by either production test or design. They apply within the specified ambient temperature and supply voltage ...

Page 4

SP1914 Preliminary Information Absolute Maximum Ratings All voltages referred to Vee at 0V. Characteristics Supply voltage IFIN and IFINB input voltage All I/O port DC offset AGC input DC offset Storage temperature Junction temperature Package thermal resistance, chip to case ...

Page 5

START 950.000 000MHz NORMALISED TO 50 Figure 4 Output impedance (typical) Preliminary Information Marker Freq (MHz) 1 950 2 1250 3 1550 4 2150 +j1 +j2 +j5 0 –j5 ...

Page 6

SP1914 Preliminary Information 6 RF Input RF Input (pin 2) V REF 1K 5K AGC Control AGC Input (pin 4) RF outputs (pins 5, 6) Figure 6 Input/Output interface circuit ...

Page 7

Figure 5 gain variation with AGC voltage (typical) Preliminary Information 2 2.25 2.5 2.75 3 AGC Voltage (v) SL1914 3.25 3.5 3. ...

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For more information about all Zarlink products Information relating to products and services furnished herein by Zarlink Semiconductor Inc. trading as Zarlink Semiconductor or its subsidiaries (collectively “Zarlink”) is believed to be reliable. However, Zarlink assumes no liability for errors ...

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