TDA6190T-TDA6190T. Fast Delivery |IC PHOENIX CO.,LIMITED

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TDA6190T-TDA6190T.
DVB-IF Mixer

TDA 6190
DVB-IF Mixer
Specification
Revision History:2004-05-17TDA 6190
Previous Version:Specification Version 1.3, 2002-06-10
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Technologies Offices in Germany or the Infineon Technologies Companies and
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DVB-IF Mixer
TDA 6190
Version 1.4
Product Info
General Description
The TDA 6190T is a bipolar integrated circuit for
amplification and down conversion of modulatedsignals used for DVB on cable or for terrestrial
transmission.
FeaturesInput frequency range of 30 to 70 MHzExternal gain control for integrated
variable gain amplifierOutput for adjustable delayed tuner
AGCIntegrated low noise VCO circuitry with
external varactor diode or crystalBroadband outputs for the down
converted IF signal Internal low noise reference voltage
sourceFull ESD protection
ApplicationFor use in TV or cable set-top receivers
for Digital Video Broadcast.
page
Table of ContentsProduct Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3Equivalent I/O Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.4Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.5Functional Block Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.5.1Power Supply, Reference Voltage . . . . . . . . . . . . . . . . . . . . . . . 13
2.5.2DVB-IF Input Amplifier, AGC . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.5.3Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.5.4Mixer and Output Buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1Evaluation Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3Application Circuit 1 (Evaluation Board) . . . . . . . . . . . . . . . . . . . . 16
3.4Application Circuit 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1.1Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1.2Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.1.3AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2Test Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3Typical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.4Evaluation Circuit for frequency response . . . . . . . . . . . . . . . . . . . 29
Product Description1.1Overview
The TDA 6190T is a bipolar integrated circuit for amplification and down conversion of
modulated IF signals used for DVB on cable or for terrestrial transmission.
1.2FeaturesInput frequency range of 30 to 70 MHzExternal gain control for integrated variable gain amplifierOutput for adjustable delayed tuner AGCIntegrated low noise VCO circuitry with external varactor diode or crystalBroadband outputs for the down converted IF signalInternal low noise reference voltage sourceFull ESD protection
1.3ApplicationFor use in TV or cable set-top receivers for Digital Video Broadcast.

Functional Description2.1Pin Configuration
Pin_config.wmf
Figure2-1Pin Configuration
2.2Pin Definitions and Functions
2.3Equivalent I/O Schematic
I_O_Schematic.wmf
Figure2-2Equivalent I/O Schematic
2.4Functional Block Diagram
Block_diag.wmf
Figure2-3Block Diagram
TDA 6190T: AGC is disabled, external gain control voltage to Pin 8
2.5Functional Block Description
2.5.1Power Supply, Reference Voltage
The 3.6 V low noise reference voltage Vref is used as a reference for the adjustment of
the delayed tuner AGC. The reference voltage has a low temperature coefficient and
high line regulation.
2.5.2DVB-IF Input Amplifier, AGC
The filtered IF signal is fed to the balanced input pins IF1 / IF2 of the gain controlled
amplifier, where it is amplified and then down converted to the output frequency signals.
The control voltage for the gain-controlled amplifier at pin IFAGC is applied from external
source.
If the IFAGC control voltage level exceeds an adjustable value (TAGCthr), a sink current
at TunAGC is generated which controls the tuner gain.
2.5.3Oscillator
The symmetrical 4 pin voltage controlled oscillator feeds the mixer to generate the down
converted DVB-IF signals.The frequency of the VCO is below or above the input
frequency of the AGC amplifier. The control voltage for the external varactor diode is
derived from the DVB processor.
2.5.4Mixer and Output Buffers
The mixer converts the filtered and amplified IF signal down to the low IF frequency. This
frequency is fed to a balanced output pair OUT1 and OUT2.
3Application
3.1Evaluation Board Layout
6190lp3_2.pdf
Figure3-1Evaluation Board Layout
3.2Bill of material
Mechanical Parts
1 x PCB
8 x Soldering Pin 1 mm (Stocko)
1 x BNC-Jack (PCB Mounting)

Partno	Mfg	Dc	Qty	Available	Descript
TDA6190T	Infineon	N/a	7500	avai	DVB-IF Mixer
TDA6190T	NXP	N/a	5700	avai	DVB-IF Mixer
TDA6190T. \|TDA6190T	INFINEON	N/a	2500	avai	DVB-IF Mixer