SL1710 Mitel Networks Corporation, SL1710 Datasheet

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SL1710

Manufacturer Part Number
SL1710
Description
Quadrature Downconverter
Manufacturer
Mitel Networks Corporation
Datasheet

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Part Number:
SL1710
Manufacturer:
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Supersedes October 1996 version in Media IC Handbook HB4599-1.0
FEATURES
use with both Professional and Consumer Digital Satellite
Applications.
quadrature mixers, plus an on-chip oscillator, operating
between 350MHz and 500MHz, which may be synthesised via
the differential prescaler outputs.
wide range of input signal levels.
amplifiers. These may be connected to a dual channel analog
to digital converter such as the
VP213, via a suitable anti-alias filter.
The SL1710 is a quadrature downconverter, intended for
The device contains high linearity, low noise amplifiers,
An AGC with 18dB gain control is provided to cope with a
I and Q outputs are via low impedance single ended
Wide input frequency range (350-500MHz)
On chip oscillator with varactor tuning or SAW
resonator operation capability
Nominal 40dB conversion gain from IF input to I
and Q outputs
AGC amplifier with 18dB gain control range
I to Q phase match 90 C to
better than 1dB
Low impedance I and Q single ended outputs,
with 15MHz
Divide by 32 prescaler outputs
Suitable for QPSK and up to 64QAM systems
1dB BW
VCODIS
AGC
VCOA
VCOB
IFIN
IFINB
PCA916,
LO
2 , gain match
VP216, VP215 or
0 deg
Fig.2. SL1710 block diagram
Quadrature
generator
APPLICATIONS
ABSOLUTE MAXIMUM RATINGS
Storage temperature
Junction temperature
Supply voltage
Voltage at any other pin
ORDERING INFORMATION
SL1710/KG/MPAS
SL1710/KG/MPAD (Tape and Reel)
90 deg
Consumer digital satellite decoders
Professional digital satellite decoders
Communication systems
AGC
AGC
32
VCCA
QOUT
Quadrature Downconverter
VEEA
IFINB
VEEC
IOUT
AGC
Fig. 1 Pin allocation top view
IFIN
Preliminary Information
1
16
PSCAL
PSCALB
I OUT
Q OUT
DS3842 - 4.1 March 1997
VCCB
VCODIS
VCO
VCO
VEEB
PSCAL
PSCALB
VCCC
-55 C to +150 C
-29 C to +150 C
SL1710
-0.3 to +7.0V
B
A
-0.3 to 7.0V
MP16

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SL1710 Summary of contents

Page 1

... Supersedes October 1996 version in Media IC Handbook HB4599-1.0 The SL1710 is a quadrature downconverter, intended for use with both Professional and Consumer Digital Satellite Applications. The device contains high linearity, low noise amplifiers, quadrature mixers, plus an on-chip oscillator, operating between 350MHz and 500MHz, which may be synthesised via the differential prescaler outputs ...

Page 2

... SL1710 ELECTRICAL CHARACTERISTICS amb = + 0V, Vcc = 4.75 to 5.25 V, Fif = 479.5 MHz, IF bandwidth These characteristics are guaranteed by either production test or design. They apply within the specified ambient temperature and supply voltage unless otherwise stated. Characteristic Supply voltage Supply current ...

Page 3

... VCO tuning components, to extract baseband I and Q signals from a QPSK or QAM IF input signal. A block diagram for the SL1710 is shown in Fig normal consumer digital satellite applications, the device is fed via a SAW filter, centred at the standard IF of 479.5MHz. ...

Page 4

... SL1710 2 4 Oscillator VCCC VEEC 9 8 VCCB VEEB 16 12 VEEA VCCA 6 3 ...

Page 5

... Fig.4 Typical RF input impedance SAW RESONATOR OSCILLATOR The application detailed in Fig. 11 shows an SL1710 with a SAW Resonator controlled oscillator. In this instance the frequency accuracy determined by the Saw Resonator. The PCB detailed in Figs. 12 and 13 is designed to accommodate the following SAWR; ...

Page 6

... SL1710 I & Q OUTPUTS The I and Q output stages of the SL1710 are sensitive to the loads connected to them. To avoid degrading the output signals resistive loads connected to these pins should always greater with a parallel capacitance of 15pF or less For evaluation purposes this makes the output unsuitable for connection to test equipment via normal coaxial cables ...

Page 7

... Marker Freq Zreal Zimag 1 500KHz 3.5 0.5 2 15MHz 4 30MHz 56 ST ART .010 MHz 50.00 45.00 40.00 33.00 30.00 25. Vagc (V) Fig. 6 AGC operation IQ OUTPUT 15pF Fig. 7 Maximum IQ output load +j1 +j0.5 2 +j0.2 0 0.2 0 –j0.2 –j0.5 –j1 Fig. 8 Output impedance +j2 + –j5 –j2 STOP 30.MHz SL1710 7 ...

Page 8

... SL1710 8 Fig. 9 Demonstration PCB top view Fig. 10 Demonstration PCB bottomview ...

Page 9

... SL1710 9 ...

Page 10

... SL1710 10 Fig. 12 Fig. 13 ...

Page 11

...

Page 12

North America Tel: +1 (770) 486 0194 Fax: +1 (770) 631 8213 Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. However, Mitel assumes no liability for errors ...

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