參數(shù)資料
型號(hào): TDA8050A
廠商: NXP SEMICONDUCTORS
元件分類: 通信及網(wǎng)絡(luò)
英文描述: QPSK transmitter
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO32
封裝: PLASTIC, SO-32
文件頁數(shù): 14/28頁
文件大?。?/td> 125K
代理商: TDA8050A
1999 Nov 05
14
Philips Semiconductors
Product specification
QPSK transmitter
TDA8050A
APPLICATION INFORMATION
Table 1
Data format; note 1
Notes
1.
2.
3.
4.
5.
X = don’t care.
MP1 and MPO: modulator reference divider ratio (see Table 2).
When OEN (output enable) is at logic 0, output is disabled; at logic 1, output is enabled.
CR2 and CRO: converter synthesizer charge pump current (see Table 3).
When DAC4 to DAC0 is at logic 0, minimum gain is programmed; at logic 1, maximum gain is programmed.
DATA
ADDRESS
D11
first in
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
AD1 AD0
last in
Modulator reference divider
ratio
Converter reference divider ratio
X
X
MP1
(2)
MP0
(2)
R7
R6
R5
R4
R3
R2
R1
R0
0
1
Control register
X
X
X
OEN
(3)
CR2
(4)
CR1
CR0
(4)
DAC4
(5)
DAC3
DAC2
DAC1
DAC0
1
0
Main divider ratio
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
1
1
FCE440
CLK
DATA
EN
td(strt)
td(stp)
th(CLK)
tsu
Tcy
Fig.8 3-wire bus timing.
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