參數(shù)資料
型號: 935185240518
廠商: NXP SEMICONDUCTORS
元件分類: 通信及網(wǎng)絡(luò)
英文描述: SPECIALTY TELECOM CIRCUIT, PDSO20
封裝: PLASTIC, SOT-266, SSOP-20
文件頁數(shù): 15/30頁
文件大?。?/td> 251K
代理商: 935185240518
1997 Feb 27
22
Philips Semiconductors
Product specication
Power amplier controller for GSM and
PCN systems
PCF5075
Fig.13 Operational amplifiers 2 and 4 schematic diagram.
First pole at 1.7 kHz (typ.)
→ R1 = 1/2/pi/1700; C1 = 1.
Second pole at 7 MHz (typ.)
→ R2 = 1/2/pi/7000000; C1 = 1.
DC gain 72 dB
→ A1 = 3980; A2 = 1; A3 = 1.
RO = 5 (typ.) → R3 = 5 .
A1, A2 and A3 are the gains of voltage controlled voltage sources.
handbook, full pagewidth
VINT(n)
VINT(p)
VO
A1
A2
A3
C2
C1
R1
R2
R3
MBE722
14 APPENDIX C: AC SIMULATIONS FOR OPERATIONAL AMPLIFIERS 2 AND 4
Fig.14 Operational amplifiers 2 and 4 circuit diagram.
handbook, full pagewidth
DC level
1 k
1 k
8.4 k
8.4 k
VS1
10 pF
50 pF
180 pF
80 pF
180 pF
100
H
BVS1
VINT(n)
VINT(p)
VINT(o)
LP
OP2
OP4
low pass
filter in the
power module
BGY203
MBE721
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