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參數(shù)資料
| 型號： | PCF5079T |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual-band power amplifier controller for GSM, PCN and DCS |
| 中文描述： | 雙頻功率的GSM，PCN和DCS放大器控制器 |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 146K |
| 代理商： | PCF5079T |
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2001 Nov 21
7
Philips Semiconductors
Product specification
Dual-band power amplifier controller for
GSM, PCN and DCS
PCF5079
handbook, full pagewidth
4
6
2
0
8 . . .
time
time
time
time
closed
open
closed
open
closed
open
closed
open
closed
open
time
time
time (QB)
time
time
MGT327
Vprebias
VVCD, VVCG
Vhome
CODESTART
CODEKICK
VVDAC
td1
td2
td3
<
3
μ
s
(max)
td4
VDD
PU
S5
SFD, SFG
S4
S3
S1
>
70 mV
>
20
μ
s
2
μ
s (typ)
>
5
μ
s
Fig.4 Start-up and initialization timing diagram.
The maximum value of CODE
is limited by the isolation requirement of the PA used in the application. The pulse determined by CODE
minus
CODE
applied for two quarter-bits ensures a start-up of the control voltage with very low jitter and high repetitivity. The codes following CODE
KICK
have to be chosen to get the best ramp shape and spectrum performance.
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| PCF5083H/001/F2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GSM signal processing IC |
| PCF5083H/5V2/F3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GSM signal processing IC |
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