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參數(shù)資料
| 型號(hào)： | Q62702-F944 |
| 廠商： | SIEMENS AG |
| 英文描述： | PNP Silicon RF Transistor (For common emitter amplifier stages up to 300 MHz For mixer applications in AM/FM radios and VHF TV tuners) |
| 中文描述： | 進(jìn)步黨硅射頻晶體管（對(duì)于共發(fā)射極放大器的高達(dá)300 MHz的混頻器應(yīng)用在上午/調(diào)頻收音機(jī)和甚高頻電視調(diào)諧器） |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 101K |
| 代理商： | Q62702-F944 |
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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| Q62702-F976 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:NPN Silicon High-Voltage Transistors (Suitable for video output stages in TV sets and switching power supplies High breakdown voltage) |
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| Q62702-F979 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:NPN Silicon RF Transistor (Common emitter IF/RF amplifier Low feedback capacitance due to shield diffusion) |
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