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參數(shù)資料
| 型號(hào)： | PCF5077T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Power amplifier controller for GSM and PCN systems |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO16 |
| 文件頁(yè)數(shù)： | 7/24頁(yè) |
| 文件大?。?/td> | 120K |
| 代理商： | PCF5077T |
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1997 Nov 19
7
Philips Semiconductors
Preliminary specification
Power amplifier controller for GSM and
PCN systems
PCF5077T
(1) t
RFON
= t
ON
12T
cy
to t
ON
+ 2T
cy
.
(2) t
RFOFF
= 44T
cy
to 66T
cy
.
(3) V
KICK
(start integrator) applied to integrator.
(4) V
PL
applied to integrator.
(5) V
QRS
applied to integrator.
(6) V
HOME
at output of OP4.
(7) This timing of the RF input power (from the power module) ensures that the
70 dB margin is met, even if the isolation of the power module is bad.
Fig.3 Timing diagram of a typical ramp-up/ramp-down curve.
handbook, full pagewidth
AS
BS
CS
DS
ES
FS
GS
HS
4
1
1
6
30
70
22Tcy
22Tcy
22Tcy
18Tcy
18Tcy
22Tcy
t1
t2
(2Tcy)
(8Tcy)
dB
18Tcy
38Tcy
2Tcy
2Tcy
B
C
E
G
tON 200
μ
s
tOFF 44Tcy
TRIG
PD
KICKA
HPA
QRSA
DACA
RFIN
RF-ZERO
(1)
(3)
(4)
(5)
(6)
(7)
(2)
MGK912
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF5078 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power amplifier controller for GSM and PCN systems |
| PCF5078T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power amplifier controller for GSM and PCN systems |
| PCF5078T/F2 | 制造商:NXP Semiconductors 功能描述:IC,POWER CONTROL/MANAGEMENT,CMOS,TSSOP,8PIN,PLASTIC |
| PCF5079 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual-band power amplifier controller for GSM, PCN and DCS |
| PCF5079HK | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual-band power amplifier controller for GSM, PCN and DCS |
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