參數(shù)資料
型號(hào)： 935261037512
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝： PLASTIC, SOT-341, SSOP-28
文件頁(yè)數(shù)： 30/35頁(yè)
文件大?。?/td> 262K
代理商： 935261037512
1999 Jan 13
4
Philips Semiconductors
Product specication
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
TDA6404; TDA6405;
TDA6405A
BLOCK DIAGRAM
Fig.1 Block diagram.
The pin numbers in parenthesis represent the TDA6405 and TDA6405A.
handbook, full pagewidth
MGK813
XTAL
OSCILLATOR
4 MHz
REFERENCE
DIVIDER
512, 640, 1024
PRESCALER
DIVIDE BY 8
15-BIT
PROGRAMMABLE
DIVIDER
POWER-ON
RESET
DIGITAL
PHASE
COMPARATOR
CHARGE
PUMP
TUNING
AMPLIFIER
UHF
OSCILLATOR
IF
AMPLIFIER
VHF
OSCILLATOR
RF INPUT
UHF
ELECTRONIC
BAND SWITCH
RF INPUT
VHF
UHF
MIXER
VHF
MIXER
IN-LOCK
DETECTOR
15-BIT
FREQUENCY
REGISTER
5-LEVEL A/D
CONVERTER
GATE
7-BIT CONTROL
REGISTER
LOGIC
OS
T2, T1, T0
BS
CHP
T2
T1
T0 RSA RSB OS
CHP
3-BIT BAND SWITCH
REGISTER
VHFL
VHFH
UHF
I2C-BUS
TRANSCEIVER
FL
fREF 1/2fDIV
FL
TDA6404
TDA6405
TDA6405A
fREF
fDIV
1/2fDIV
RSA
RSB
AS
SDA
SCL
AS
SDA
SCL
(3) 26
(2) 27
(1) 28
(4) 25
(11) 18
(10) 19
(5) 24
(6) 23
(7) 22
(15) 14
(14) 15
(8) 21
16 (13)
2 (27)
1 (28)
4 (25)
3 (26)
12 (17)
11 (18)
10 (19)
BS
BSVHF
BSUHF
5 (24)
17 (12)
IFFIL1
VCC
6 (23)
IFFIL2
13 (16)
7 (22)
8 (21)
9 (20)
(9) 20
UHFOSCIB1
UHFOSCOC1
VT
GND
CP
UHFOSCOC2
UHFOSCIB2
VHFOSCIB2
IFOUT1
IFOUT2
VHFOSCOC1
VHFOSCOC2
VHFOSCIB1
PVHFL
ADC
PVHFH
PUHF
UHFIN1
UHFIN2
VHFIN
RFGND
XTAL
BSVHF
BSUHF
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