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參數(shù)資料
| 型號： | Q62702-B257 |
| 廠商： | SIEMENS AG |
| 英文描述： | Silicon Tuning Varactors (Hyperabrupt junction tuning diode Frequency linear tuning range 4 ˇ 12 V) |
| 中文描述： | 硅調(diào)諧變?nèi)荻O管（Hyperabrupt交界調(diào)諧二極管頻率線性調(diào)諧范圍4 12五） |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 101K |
| 代理商： | Q62702-B257 |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Q62702-B372 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For FM tuners Monolithic chip with common cathode for perfect tracking of both diodes) |
| Q62702-B403 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For Hyperband TV/VTR tuners, Bd I) |
| Q62702-B404 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For FM radio tuners with extended frequency band High tuning ratio at low supply voltage (car radio) |
| Q62702-B478 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (Frequency range up to 2 GHz; special design for use in TV-sat indoor units) |
| Q62702-B479 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For AM tuning applications Specified tuning range 1 ˇ 8 V) |
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