tda5225 Infineon Technologies Corporation, tda5225 Datasheet - Page 24
tda5225
Manufacturer Part Number
tda5225
Description
Enhanced Sensitivity Multi-channel Quad-conf Igurat Ion Receiver With Digital Slicer
Manufacturer
Infineon Technologies Corporation
Datasheet
1.TDA5225.pdf
(176 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 24 of 176
- Download datasheet (9Mb)
TDA5225
Functional Description
2.4.5
Sigma-Delta Fractional-N PLL Block
The Sigma-Delta Fractional-N PLL is fully integrated on chip. The Voltage Controlled
Oscillator (VCO) with on-chip LC-tank runs at approximately 3.6 GHz and is first divided
with a band select divider by 1, 2 or 3 and then with an I/Q-divider by 4 which provides
an orthogonal local oscillator signal for the first image reject mixer with the necessary
high accuracy.
The multi-modulus divider determines the channel selection and is controlled by a
rd
3
order Sigma-Delta Modulator (SDM). A type IV phase detector, a charge pump with
programmable current and an on-chip loop filter closes the phase locked loop.
st
To 1
mixer
3.6 GHz VCO
Loop Filter
CP
IQ Divider
Band Select
÷ 4
÷1/÷2/÷3
Multi-
modulus
PFD
Divider
ΣΔ Modulator
Channel FN
QOSC
22MHz
AFC filter
AFC-data
Figure 9
Synthesizer Block Diagram
Data Sheet
24
V1.0, 2010-02-19
Related parts for tda5225
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Antenna Switch Silicon Pin Diode
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Silicon Switching Diodes
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Single Igbt Driver Ic
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
5 Volt Standard Regulator
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Active Biased Transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
N-channel Small Signal Mosfet 20v?800v
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Sipmos Small-signal Transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Complementary Mosfets 60v Small-signal-transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Complementary Mosfets 60v
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
P-channel Mosfets Power-transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
N-channel Mosfet 20v?300v Power Transistor Power Mosfet
Manufacturer:
Infineon Technologies Corporation
Datasheet:
Part Number:
Description:
Power Mosfets
Manufacturer:
Infineon Technologies Corporation
Datasheet: