TA1375FG Datasheet, PDF (2/24 Pages) Toshiba Semiconductor – Single Conversion Tuner for Digital TV / CATV

Block Diagram
TA1375FG
36 35 34 33 32 31 30 29 28 27 26 25
Vcc4 (OSC) 37
IF output 38
GND5 (IF AMP) 39
Vcc5 (IF) 40
GND6 (IF DRIVER) 41
GND7 (GCA) 42
IF input1 43
IF input2 44
Vcc6 (GCA) 45
GND8 (AMP) 46
Gain SW (GCA) 47
N.C. 48
GCA
control
Programmable
Divider
Phase
Comparator
Lock
Detector
Reference
Divider
Band
Switch
Power on
Reset
I2C bus
Interface
Charege
Pump
Band
Driver
24 GND3 (Mix)
23 UHF RF input2
22 UHF RF input1
21 UHF PORT
20 VHF RF input2
19 VHF RF input1
18 Vt output
17 NF
16 Vcc3 (MIX)
15 VHF-H PORT
14 VHF-L PORT
13 FMT PORT
1 2 3 4 5 6 7 8 9 10 11 12
Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory
purpose.
2005/05/23
2