BS2F7V7395 Datasheet PDF - Sharp


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BS2F7V7395
Sharp

Part Number BS2F7V7395
Description Digital DBS Tuner
Page 19 Pages

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MODEL No.
BS2F7VZ7395
SPEC No.
EC-06Y04C
PAGE
3/19
[DESCRIPTION] This specification covers DBS tuner intended for use in Digital Broadcasting
Satellites. This tuner incorporates "LINK" section that is composed of DVB standard QPSK
demodulation circuit and FEC (Forward Error Correction) circuit. This tuner has 8-bit
transport stream output.
[1] GENERAL SPECIFICATIONS
1-1 Receiving frequency range
950MHz to 2150MHz
1-2 Input level
-65dBm to -25dBm
1-3 Input structure
F type Female
1-4 Nominal input impedance
75 ohm
1-5 Channel selection system
PLL synthesizer(Clock 4.0MHz)
1-6 Step frequency
500kHz
1-7 I/Q output LPF cut off frequency(-3dB)
10MHz to 30MHz, variable (2MHz step)
1-8 Symbol rate
2Msps to 45Msps
1-9 Roll-off Factor
35(root-raised cosine)
1-10 LINK IC
STV0288 (Clock: 4MHz, Address: D0 (HEX))
1-11 FEC
Inner decoder: Viterbi soft decoder, Constraint length M=7
Punctured codes 1/2, 2/3, 3/4, 5/6, 7/8
Automatic or manual rate and Phase recognition
deinterleaver
Word synchro extraction
Convolutive deinterleaver
Outer decoder: Reed-solomon decoder, for 16 parity bytes
Block lengths 204byte
Energy dispersal descrambler
1-12 Absolute maximum ratings (B2) -0.30 to +4.00V DC
(B3)
-0.30 to +3.63V DChttp://www.DataSheet4U.net/
(B4) -0.30 to +4.00V DC
(VDD) -0.25 to +2.75V DC
1-13 Operating voltage
LNB voltage
(B1A, B1B) 25V, 400mA max
Supply voltage
(B2) 3.3V +/- 0.165V DC
(B3) 3.3V +/- 0.165V DC
(B4) 3.3V +/- 0.165V DC
(VDD) 2.5V +/- 0.125V DC
1-14 Circuit block diagram
Fig.1
1-15 Connection diagram
Fig.2
1-16 Mass
35g
1-17 Storage condition
Temperature 15 deg.C to 35 deg.C
Humidity
25 %RH to 75 %RH
Period
6 months
1-18 Environmental characteristics
RoHS compliant
(RoHS refers to the "DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT
AND OF THE COUNCIL of 27 January 2003 on the restriction of the use of certain
hazardous substances in electrical and electronic equipment.")
1-19 Attention items:
1) This unit contains components that can be damaged by electro-static
discharge. Before handling this unit, ground your hands, tools, working desks
and equipment to protect the unit from Electronic Static Destroy.
2) Avoid following actions;
a)to store this unit in the place of the high temperature and humidity.
b)to expose this unit to corrosive gases.
SHARP PROPRIETARY
datasheet pdf - http://www.DataSheet4U.net/



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MODEL No.
BS2F7VZ7395
SPEC No.
EC-06Y04C
PAGE
4/19
[2] MECHANICAL SPECIFICATION
2-1 Dimension and mounting details
2-2 Strength of F-connector
2-3 Clamp Torque of F-connector
Fig.3
No severe transform or distortion at bending moment,
98Ncm. To be connected electrically.
No severe transform or distortion on the connection
with F-connector at bending moment, 98Ncm.
To be connected electrically.
[3] ENVIRONMENTAL SPECIFICATION
(ELECTRICAL FUNCTIONAL OPERATION GUARANTEE)
3-1. Operating
Temperature 0 to +60 deg. C
Humidity
Less than 85
3-2. Storage
Temperature
Humidity
-20 to +85 deg. C
Less than 95
[Point to notice] Water vapor pressure 6643Pa max, no condensation
Please be careful that sudden temperature changes may cause condensation
during storage, and such condensation may cause corrosion.
[4] TESTING CONDITION
4-1. Supply voltage
4-2. Ambient temperature
4-3. Ambient humidity
(B2)
(B3)
B4
(VDD)
3.3V +/- 0.05V
3.3V +/- 0.05V
3.3V +/- 0.05V
2.5V +/- 0.05V
25 deg. C +/- 5 deg. C
65% +/- 10%
http://www.DataSheet4U.net/
[5]ELECTRICAL SPECIFICATION
No. Item
5-1 RF input VSWR
5-2 Noise figure(at max. gain)
5-3 Intermodulation rejection
Desired signal Fo
Undesired signal (2 signals)
(Fo+29.5MHz, Fo+59MHz) or
(Fo-29.5MHz, Fo-59MHz)
5-4 L.O. leak at input terminal
5-5 Eb/No
PC= 1/2
for BER = 2e-4 PC= 2/3
@viterbi_out
PC= 3/4
PC= 5/6
PC= 7/8
PC= 1/2
PC= 2/3
PC= 3/4
PC= 5/6
PC= 7/8
5-6 PLL lock up time (C1,C0)=(1,1)
5-7 PLL phase noise (C1,C0)=(1,1)
Unless otherwise stated testing condition 4-1 to 4-3.
Specification
Condition
MIN. TYP. MAX. UNIT
2.0 2.5
950M to 2150MHz
8 12 dB 950M to 2150MHz
40 60
dB Input level:-25dBm
I/Q output level:
0.6VP-P(1kohm load)
-68
3.7
4.2
4.7
5.3
5.7
4.8
5.0
5.5
6.2
6.8
10
-78
-85
-63
4.5
5.0
5.5
6.0
6.4
5.5
6.0
6.5
7.0
7.4
50
-70
-78
dBm
dB
BBLPF:Fc=20MHz
950M to 2150MHz
4<Fs<45[Msps]
(Fs :symbol rate)
dB 2<Fs4[Msps]
ms
dBc/Hz 10kHz offset
dBc/Hz 100kHz offset
SHARP PROPRIETARY
datasheet pdf - http://www.DataSheet4U.net/




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