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參數(shù)資料
| 型號： | ZNBG3114Q20 |
| 廠商： | ZETEX PLC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; No. of Contacts:42; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | QSOP-20 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 684K |
| 代理商： | ZNBG3114Q20 |
For many LNB applications tone detection and band switching is required. The ZNBG3113/14
includes the circuitry necessary to detect the presence of a 22kHz tone modulated on the supply
input to the LNB. Referring to the following schematic diagram, the main elements of this detector
are an op-amp enabling the construction of a Sallen Key filter, a rectifier/smoother and a
comparator. Full control is given over the centre frequency and bandwidth of the filter by the
selection of two external resistors and capacitors (one of these resistors, R2, shares the function
of overvoltage protection of pin V
POL
).
Pin C
makes accessible the output of the tone switch rectifier and provides a means of
controlling tone switch delays (mainly HB-LB). For correct operation of the IC, a capacitor and a
parallel connected resistor should be connected between this pin and ground. A capacitor of
100nF and resistor of 1MW will give a LB-HB delay of around 100
μ
s and a HB-LB delay of 30ms.
The comparator circuit utilises no external components.
4-132
ZNBG3113
ZNBG3114
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZNBG3115 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; Number of Contacts:42; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| ZNBG3116Q16 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; No. of Contacts:42; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| ZNBG3116Q20 | TV 30C 30MIX PIN WALL RECP |
| ZNBG3116Q16(1) | |
| ZNBG3116Q20(1) | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZNBG3115 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
| ZNBG3115_06 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
| ZNBG3115Q16 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
| ZNBG3115Q16TC | 功能描述:MOSFET 3BIAS TONE H/V SWTCH 2.2V RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| ZNBG3115Q20 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
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