TUA6032 Infineon Technologies Corporation, TUA6032 Datasheet - Page 26

• Manufacturer Part Number: TUA6032
• Description: 3-band Tv Tuner Ic
• Manufacturer: Infineon Technologies Corporation

Wireless Components
5
Reference
5.1
5.1.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
5.1.2 Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
5.1.3 AC/DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-30
5.2
Table 5-4 Bit Allocation Read / Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
Table 5-5 Description of Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
Table 5-6 Address selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
Table 5-7 Test modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
Table 5-8 Reference divider ratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
Table 5-9 AGC take-over point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
Table 5-10 A to D converter levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
Table 5-11 Defaults at power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
Table 5-12 Internal band selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
5.3
5.4
5.4.1 Input admittance (S11) of the LOW band mixer (40 to 140 MHz). . . 5-43
5.4.2 Input impedance (S11) of the MID band mixer (150 to 455 MHz) . . 5-43
5.4.3 Input impedance (S11) of the HIGH band mixer (450 to 865 MHz) . 5-44
5.4.4 Output admittance (S22) of the of the Mixer output (30 to 50 MHz) . 5-44
5.4.5 Output impedance (S22) of the IF amplifier (30 to 50 MHz) . . . . . . . 5-45
5.5
5.5.1 Gain (GV) measurement in LOW band. . . . . . . . . . . . . . . . . . . . . . . 5-46
5.5.2 Gain (GV) measurement in MID and HIGH bands . . . . . . . . . . . . . . 5-46
5.5.3 Matching circuit for optimum noise figure in LOW band . . . . . . . . . . 5-47
5.5.4 Noise figure (NF) measurement in LOW band . . . . . . . . . . . . . . . . . 5-47
5.5.5 Noise figure (NF) measurement in MID and HIGH bands . . . . . . . . 5-48
5.5.6 Cross modulation measurement in LOW band . . . . . . . . . . . . . . . . . 5-48
5.5.7 Cross modulation measurement in MID and HIGH bands . . . . . . . . 5-49
5.5.8 Ripple susceptibility measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 5-49
Contents of this Chapter
Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
I2C Bus Timing Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42
Electrical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-43
Measurement Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-46
5 - 26
Specification, July 2001