參數(shù)資料
型號(hào)： ZNBG3011Q16
廠商： ZETEX PLC
元件分類： 模擬信號(hào)調(diào)理
英文描述： Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; No. of Contacts:11; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO16
封裝： QSOP-16
文件頁(yè)數(shù)： 5/10頁(yè)
文件大?。?/td> 375K
代理商： ZNBG3011Q16
FUNCTIONAL DIAGRAM
FUNCTIONAL DESCRIPTION
The ZNBG devices provide all the bias requirements for external FETs, including the generation
of the negative supply required for gate biasing, from the single supply voltage.The diagram
above shows a single stage from the ZNBG series. The ZNBG3010/11 contains 3 such stages. The
negative rail generator is common to both devices.
The drain voltage of the external FET Q
N
is set by the ZNBG device to its normal operating voltage.
This is determined by the on board V
D
Set reference, for the ZNBG3010 this is nominally 2.2 volts
whilst the ZNBG3011 provides nominally 2 volts.
The drain current taken by the FET is monitored by the low value resistor I
D
Sense. The amplifier
driving the gate of the FET adjusts the gate voltage of Q
N
so that the drain current taken matches
the current called for by an external resistor R
CAL
.
Since the FET is a depletion mode transistor, it is often necessary to drive its gate negative with
respect to ground to obtain the required drain current. To provide this capability powered from
a single positive supply, the device includes a low current negative supply generator. This
generator uses an internal oscillator and two external capacitors, C
NB
and C
SUB
.
ZNBG3010
ZNBG3011
4-118
相關(guān)PDF資料
PDF描述
ZNBG3110 Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; Number of Contacts:11; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
ZNBG3110Q20 Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; Number of Contacts:11; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
ZNBG3111 Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; Number of Contacts:11; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
ZNBG3111Q20 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
ZNBG3113 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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZNBG3110 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
ZNBG3110Q20 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
ZNBG3111 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
ZNBG3111Q20 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
ZNBG3113 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:FET BIAS CONTROLLER WITH POLARISATION
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