Datasheet > ZLNB2006

ZLNB2006

更新时间： 2024-11-18 07:44:35

品牌	Logo	应用领域
捷特科 - ZETEX		控制器
页数	文件大小	规格书
11页	118K
描述
DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER

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ZLNB2006 数据手册

ZLNB2006

ZLNB2009 ZLNB2010

DUAL TONE AND POLARITY SWITCH

LNB MULTIPLEX CONTROLLER

DEVICE DESCRIPTION

The ZLNB2006/09/10 group of dual polarisation and Universal LNB local oscillator selection is achieved by

tone switch controller are part of a wide range of detection of a low level AC voltage superimposed on

satellite receiver LNB support circuits available from the polarisation control voltage. To facilitate this

Zetex. Each part features two completely independent function, the ZLNB2006/09/10 includes a separate tone

channels, each providing logic outputs to control LNB detector for each channel. Full control of detector

polarisation selection, local oscillator selection and the bandwidth and sensitivity is provided using two

ZLNB2009/10 also provides downfeed disable. They external resistors and capacitors. In the ZLNB2006/9,

are intended for use in Twin Universal and Quad LNBs, additional control of tone switch delays is provided to

replacing many discrete components to save both assist with the rejection of low frequency control

manufacturing cost and PCB size whilst improving signals intended for other systems.

reliability.

Polarisation switch and tone detector outputs can

The two polarisation control inputs of the

source and sink 10mA making them suitable to drive

ZLNB2006/09/10 have a nominal threshold of 14.75V. TTL and CMOS logic, pin diodes and IF-amp supply

switching.

The threshold is temperature compensated to

minimise drift. Each features a low and stable input

current that enables transient protection to be

achieved with the addition of only a single resistor per

channel.

The ZLNB2006/09/10 operates from a single supply

which can be anything from 5-10V. Their quiescent

current is typically only 6mA and this does not change

significantly with load or logic state. They are available

in the space saving QSOP16 or QSOP20 surface mount

package.

Multi Feed LNBs can be called to operate with one or

more of their controlling receivers powered

down/disconnected, with attendant cable mismatch

problems. To ease design for this situation, each

polarisation input of the ZLNB2009/10 has a second

threshold set at 9.5V. An input voltage below this

threshold indicates “receiver not present”, switching

the relevant control channels high. This logic output

can be used to disable the associated downfeed driver,

eliminating any problems due to cable mismatch.

•

Wide supply operating range

Low quiescent current

FEATURES

•

Dual polarisation switch

Temperature compensated polarisation switch

threshold

Few external components

Eliminates many discrete components

•

Transient resistant inputs

APPLICATIONS

Includes Receiver-Off detector (ZLNB2009/10)

Dual tone switch

•

Twin Universal LNB

Multi Feed Universal Lnb’s

Twin Universal IF switch boxes

LNB switch boxes

User adjustable filter centre frequency and

bandwidth

•

User adjustable tone switching delays

Tone and Pol outputs are TTL, CMOS, Pin diode

and IF amp capable

ISSUE 1 - APRIL 2002

12 3 4 5 6 7...11

中文翻译

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与ZLNB2006相关器件

型号	品牌	获取价格	描述	数据表
ZLNB2006Q20	ZETEX	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2006Q20TC	ZETEX	获取价格	Analog Circuit, 1 Func, PDSO20, QSOP-20
ZLNB2009	DIODES	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2009	ZETEX	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2009Q20	ZETEX	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2009Q20TA	ZETEX	获取价格	Analog Circuit, 1 Func, PDSO20, QSOP-20
ZLNB2010	DIODES	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2010	ZETEX	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2010Q16	ZETEX	获取价格	DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
ZLNB2010Q16TA	ZETEX	获取价格	Analog Circuit, 1 Func, PDSO16, QSOP-16

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