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參數(shù)資料
| 型號： | ZNBG2000 |
| 廠商： | Zetex Semiconductor |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; No. of Contacts:53; Connector Shell Size:23; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| 中文描述： | 場效應管偏置控制器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 514K |
| 代理商： | ZNBG2000 |
DEVICE DESCRIPTION
The ZNBG series of devices are designed to meet the
bias requirements of GaAs and HEMT FETs
commonly used in satellite receiver LNBs, PMR,
cellular telephones etc. with a minimum of external
components.
With the addition of two capacitors and a resistor the
devices provide drain voltage and current control for
2 external grounded source FETs, generating the
regulated negative rail required for FET gate biasing
whilst operating from a single supply. This negative
bias, at -3 volts, can also be used to supply other
external circuits.
The ZNBG2000/1 contains two bias stages. A single
resistor allows FET drain current to be set to the
desired level. The series also offers the choice of
drain voltage to be set for the FETs, the ZNBG2000
gives 2.2 volts drain whilst the ZNBG2001 gives 2
volts.
These devices are unconditionally stable over the full
working temperature with the FETs in place, subject
to the inclusion of the recommended gate and drain
capacitors. These ensure RF stability and minimal
injected noise.
FEATURES
Provides bias for GaAs and HEMT FETs
Drives up to two FETs
Dynamic FET protection
Drain current set by external resistor
Regulated negative rail generator requires only 2
external capacitors
Choice in drain voltage
Wide supply voltage range
MSOP surface mount package
It is possible to use less than the devices full
complement of FET bias controls, unused drain and
gate connections can be left open circuit without
affecting operation of the remaining bias circuits.
In order to protect the external FETs the circuits have
been designed to ensure that, under any conditions
including power up/down transients, the gate drive
from the bias circuits cannot exceed the range -3.5V
to 0.7V. Furthermore if the negative rail experiences a
fault condition, such as overload or short circuit, the
drain supply to the FETs will shut down avoiding
excessive current flow.
The ZNBG2000/1 are available in MSOP10 packages
for the minimum in devices size. Device operating
temperature is -40 to 80°C to suit a wide range of
environmental conditions.
APPLICATIONS
Satellite receiver LNBs
Private mobile radio (PMR)
Single in single out C Band LNB
Cellular telephones
ISSUE 1 - AUGUST 2001
FET BIAS CONTROLLER
ZNBG2000
ZNBG2001
1
相關PDF資料 |
PDF描述 |
|---|---|
| ZNBG2001 | FET BIAS CONTROLLER |
| ZNBG3000 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVP00; No. of Contacts:55; Connector Shell Size:23; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| ZNBG3001Q16 | FET BIAS CONTROLLER |
| ZNBG3000Q16 | TV 6C 6#8(TWINAX) PIN RECP |
| ZNBG3001 | TV 6C 6#8(TWINAX) PIN RECP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ZNBG2000X10 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER |
| ZNBG2000X10TA | 功能描述:IC CTRLR BIAS FET 2STAGE 10-MSOP RoHS:否 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:- 標準包裝:100 系列:* |
| ZNBG2000X10TC | 功能描述:線性穩(wěn)壓器 - 標準 2 FET BIAS VD=2.2V Generator RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| ZNBG2001 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER |
| ZNBG2001X10 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:FET BIAS CONTROLLER |
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