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PDF ZLNB2010 Data sheet ( Hoja de datos )

Número de pieza ZLNB2010
Descripción DUAL TONE AND POLARITY SWITCH LNB MULTIPLEX CONTROLLER
Fabricantes Zetex Semiconductors 
Logotipo Zetex Semiconductors Logotipo



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No Preview Available ! ZLNB2010 Hoja de datos, Descripción, Manual

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DUAL TONE AND POLARITY SWITCH
LNB MULTIPLEX CONTROLLER
ZLNB2006
ZLNB2009 ZLNB2010
DEVICE DESCRIPTION
The ZLNB2006/09/10 group of dual polarisation and
tone switch controller are part of a wide range of
satellite receiver LNB support circuits available from
Zetex. Each part features two completely independent
channels, each providing logic outputs to control LNB
polarisation selection, local oscillator selection and the
ZLNB2009/10 also provides downfeed disable. They
are intended for use in Twin Universal and Quad LNBs,
replacing many discrete components to save both
manufacturing cost and PCB size whilst improving
reliability.
The two polarisation control inputs of the
ZLNB2006/09/10 have a nominal threshold of 14.75V.
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.
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.
Universal LNB local oscillator selection is achieved by
detection of a low level AC voltage superimposed on
the polarisation control voltage. To facilitate this
function, the ZLNB2006/09/10 includes a separate tone
detector for each channel. Full control of detector
bandwidth and sensitivity is provided using two
external resistors and capacitors. In the ZLNB2006/9,
additional control of tone switch delays is provided to
assist with the rejection of low frequency control
signals intended for other systems.
Polarisation switch and tone detector outputs can
source and sink 10mA making them suitable to drive
TTL and CMOS logic, pin diodes and IF-amp supply
switching.
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.
FEATURES
Dual polarisation switch
Temperature compensated polarisation switch
threshold
Transient resistant inputs
Includes Receiver-Off detector (ZLNB2009/10)
Dual tone switch
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
Wide supply operating range
Low quiescent current
Few external components
Eliminates many discrete components
APPLICATIONS
Twin Universal LNB
Multi Feed Universal Lnb’s
Twin Universal IF switch boxes
LNB switch boxes
ISSUE 1 - APRIL 2002
1

1 page




ZLNB2010 pdf
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ZLNB2006
ZLNB2009 ZLNB2010
TYPICAL CHARACTERISTICS
70
Vcc = 5V
60
50
40
30
20
10
0
100 1k 10k 100k 1M 10M
Frequency (Hz)
Open Loop Gain v Frequency
180
Vcc = 5V
150
120
90
60
30
0
100 1k 10k 100k 1M 10M
Frequency (Hz)
Open Loop Phase v Frequency
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
100
Vcc = 5V
Vin=0.1Vp/p
Test Circ. 1
1k 10k 100k
Frequency (Hz)
Filter Response
1M
ISSUE 1 - APRIL 2002
5

5 Page





ZLNB2010 arduino
PACKAGE DIMENSIONS
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ZLNB2006
ZLNB2009 ZLNB2010
QSOP16
DIM Millimetres
MIN
MAX
A 4.80
4.98
B 0.635
C 0.23 REF
D 0.20
0.30
E 3.81
3.99
F 1.35
1.75
G 0.10
0.25
Inches
MIN
MAX
0.189
0.196
0.025 NOM
0.009 REF
0.008
0.012
0.15
0.157
0.053
0.069
0.004
0.01
QSOP20
DIM Millimetres
MIN
MAX
A 8.55
8.74
B 0.635
C 1.47 REF
D 0.20
0.30
E 3.81
3.99
F 1.35
1.75
G 0.10
0.25
Inches
MIN
MAX
0.337
0.344
0.025 NOM
0.058 REF
0.008
0.012
0.15
0.157
0.053
0.069
0.004
0.01
© Zetex plc 2001
Zetex plc
Fields New Road
Chadderton
Oldham, OL9 8NP
United Kingdom
Telephone (44) 161 622 4422
Fax: (44) 161 622 4420
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Zetex Inc
700 Veterans Memorial Hwy
Hauppauge, NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Zetex (Asia) Ltd
3701-04 Metroplaza, Tower 1
Hing Fong Road
Kwai Fong, Hong Kong
China
Telephone: (852) 26100 611
Fax: (852) 24250 494
These offices are supported by agents and distributors in major countries world-wide.
This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or
reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services
concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or
service.
For the latest product information, log on to www.zetex.com
ISSUE 1 - OCTOBER 2001
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