參數(shù)資料
型號(hào)： Q62702-B372
廠商： SIEMENS AG
英文描述： Silicon Variable Capacitance Diode (For FM tuners Monolithic chip with common cathode for perfect tracking of both diodes)
中文描述： 硅變?nèi)荻O管（對(duì)于兩個(gè)二極管的完全跟蹤共陰極單片芯片F(xiàn)M調(diào)諧器）
文件頁(yè)數(shù)： 5/11頁(yè)
文件大?。?/td> 101K
代理商： Q62702-B372
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
相關(guān)PDF資料
PDF描述
Q62702-B403 Silicon Variable Capacitance Diode (For Hyperband TV/VTR tuners, Bd I)
Q62702-B404 Silicon Variable Capacitance Diode (For FM radio tuners with extended frequency band High tuning ratio at low supply voltage (car radio)
Q62702-B478 Silicon Variable Capacitance Diode (Frequency range up to 2 GHz; special design for use in TV-sat indoor units)
Q62702-B479 Silicon Variable Capacitance Diode (For AM tuning applications Specified tuning range 1 ˇ 8 V)
Q62702-B570 Silicon Variable Capacitance Diode (For tuning of extended frequency bands in VHF TV/VTR tuners)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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)
Q62702-B499 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For VHF tuned circuit applications)
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