參數(shù)資料
型號: Q62702-B673
廠商: SIEMENS AG
英文描述: Silicon Variable Capacitance Diode (For FM radio tuner with extended frequency band High tuning ratio low supply voltage car radio)
中文描述: 硅變?nèi)荻O管(對于擴(kuò)展頻段調(diào)諧高比例低電源電壓的汽車收音機(jī)FM收音機(jī)調(diào)諧器)
文件頁數(shù): 5/11頁
文件大小: 101K
代理商: Q62702-B673
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-B683 Silicon Variable Capacitance Diode (For tuning of extended frequency band in VHF TV/ VTR tuners)
Q62702-B792 Silicon Variable Capacitance Diode (For VHF Hyperband TV/TR tuners High capacitance ratio Low series resistance)
Q62702-D900 PNP SILICON PLANAR TRANSISTORS
Q62702-D901 PNP SILICON PLANAR TRANSISTORS
Q62702-F350 NPN SILICON RF TRANSISTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Q62702-B683 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For tuning of extended frequency band in VHF TV/ VTR tuners)
Q62702-B695 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For tuning of extended frequency band in VHF TV / VTR tuners)
Q62702-B70 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Tuning Varactor (Tuning varactor in passivated Mesa technology epitaxial design)
Q62702-B792 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Variable Capacitance Diode (For VHF Hyperband TV/TR tuners High capacitance ratio Low series resistance)
Q62702-B802 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Silicon Tuning Diode (Extended frequency range up to 2.8 Ghz ; special design for use in TV-sat indoor units)