TA1375FG Datasheet, PDF (14/24 Pages) Toshiba Semiconductor – Single Conversion Tuner for Digital TV / CATV

TA1375FG
33kЊ
33V
22pF
470Њ
470Њ
22pF
L3
8pF
1SV283 56p
L4
L2
68pF
L1
5pF 3pF 5pF
36 35 34 33 32 31 30 29 28 27 26 25
37
38
IF output 2.2nF
39
40
41
IF input
(*1)
Balun
trans
5V
42
0.01uF
43
(*2)
44
0.01uF
45
46
GC
47
SW
48
GCA
control
Programmable
Divider
Phase
Comparator
Lock
Detector
Reference
Divider
Band
Switch
Power on
Reset
I2C bus
Interface
Charege
Pump
Band
Driver
24
2.2nF
23
2.2nF
22
620Њ
21
2.2nF
20
2.2nF
19
18
3.3nF
17
27nF
10kЊ
16
620Њ
15
620Њ
14
620Њ
13
UHF RF input
VHF RF input
5V
(*1)Balun trans
616DB-1048(TOKO)
1 2 3 4 5 6 7 8 9 10 11 12
(*2)Test circuit condition
*U
EJGFST
BCPVU
B
UFTU
JUFN
(*1)
Balun
trans
(*2)
FET probe
(10MЊ,2pF)
IF output
56pF
100pF
5V
Figure.4 Test Circuit 3
L1 : 0.4mmd, 2.5mm П, 5.5T
L2 : 0.4mmd, 2.0mm П, 2.5T
L3 : 0.4mmd, 2.5mm П, 1.5T
L4 : TOKO (886BNF-0048AE)
*4MHz : X'tal (NDK,AT-51)
note8: Components in the test circuits are only used to obtain and confirm the device characteristics. These components
and circuits do not warrant to prevent the application equipment from malfunction or failure.
NF meter
Noise
source
20
DUT
23
Vin or Uin
38
75-50Њ
USBOTGPSNBUJPO
SG-1
SG-2
20
38
DUT
Spectrum
Analyzer
23
75-50Њ
USBOTGPSNBUJPO

Figure.5 Test Circuit 4 (MOP Block : NFÊ£ Figure.6 Test Circuit 5 (MOP Block : IM3 / CMÊ£
2005/05/23
14