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TDA7326 Datasheet(PDF) 12 Page - STMicroelectronics

Part # TDA7326
Description  AM-FM RADIO FREQUENCY SYNTHESIZER
PDF  16 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7326 Datasheet(HTML) 12 Page - STMicroelectronics

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d) CONDITIONS:
AM DIRECT MODE, (fRF = 530KHz, fREF = 1KHz; IF = 450KHz
it follows: FVCO = 530 + 450 = 980KHz
DIV_VAL =
FVCO
fREF
± 1 =
980
1
± 1 = 979 = 3D3 Hex
=
0
00011
110
100
11
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 SC5 SC4 SC3 SC2 SC1 SC0
binary
e) CONDITIONS:
AM DIRECT MODE, (fRF = 1710KHz, fREF = 1KHz; IF = 450KHz
it follows: FVCO = 1710 + 450 = 2160KHz
DIV_VAL =
FVCO
fREF
± 1 =
2160
1
± 1 = 2159 = 86F Hex
=
0
01000
0
1
10
11
11
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 SC5 SC4 SC3 SC2 SC1 SC0
binary
c) CONDITIONS:
FM MODE (fRF = 98.8MHz, fREF = 12.5KHz; IF = 10.7MHz
it follows: FVCO = 98.8 + 10.7 = 109.5MHz
DIV_VAL = 8760 - 64 = 8696 = 21 F8 Hex
=
1
00001
111
110
00
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 SC5 SC4 SC3 SC2 SC1 SC0
SC = 56
binary
⇒
PC = 135
TDA7326
12/16



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