參數(shù)資料
型號(hào): Q62702G63
廠商: SIEMENS AG
英文描述: GaAs MMIC (Power amplifier for GSM class 4 phones 3.2 W 35dBm output power at 3.5 V Overall power added efficiency 50%)
中文描述: 砷化鎵微波單片集成電路(電源的GSM手機(jī)4級(jí)放大器3.2糯35dBm的輸出功率在3.5伏總功率附加效率50%)
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 101K
代理商: Q62702G63
BGC420
High Frequency Products
5
Edition A13, 05/99
Typical Application
Remarks:
1)
2)
3)
4)
To provide low frequency stability C2 should be 10 times C3.
Be aware that also coupling capacitors determine the switching times.
The collector current at Q1 can be estimated by Ic=0.6V / Rx[
W
].
Place C2 as close to the device as possible.
D1
D2
R1 (47k)
Q2
R2 (500R)
R3
10k
R4 (2k7)
Q1
Vc,8
Vb,3
GND,7,2
RFin,1
RFout,6
Vr,5
Vcc,4
on
off
C2, 1nF
L1,100nH
C3, 100pF
Rx
3
C4,150pF C5,100nF
Figure 1. Typical Application and Internal Circuit
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