CXA3018R Ver la hoja de datos (PDF) - Sony Semiconductor
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CXA3018R Datasheet PDF : 17 Pages
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CXA3018R
AC Characteristics (AFT/CN) (Ta = 25 °C, VCC = 5 V, See the Electrical Characteristics Measurement Circuit.)
∗1: Input voltage VCNIN enable to adjust output voltage VCNO = 2 V
Item
Pin Symbol
Condition
Min. Typ. Max. Unit
41 AFT f0 adjustment range
fAFT Offset from 2nd IF
–5 — +5 MHz
42 AFToffset adjustment
sensitivity
43 AFTdead zone width
44 AFTUP/AFTDOWN Low
f0 variation / Pin 46 DC
fAFT/V
variation
fAFT/D
1, 2 AFTL
–18 –9 –3 MHz/V
90 180 360 kHz
0 0.1 0.4 V
45 AFTUP/AFTDOWN High
46 CN detection level
1, 2 AFTH
4.7 4.9 VCC V
11 VCNO –40dB input (Pin 9=3V) 1.6 2.0 2.4 V
–40dB input
47 CN adjustment range
11, 9 VCNOW (Pin 9=2 to 4V)
–0.15 — 0.25 V
48 CN sensitivity
11, 8
∆VCN
Variation from VCNO
CNOUT voltage / CNIN
input level
(–50 to –30dBm)
–60 –50 –40 mV/dB
Input level variation / Pin 9
49 CN adjustment sensitivity
DC variation
11, 8 VCN/Vc
In case of adjusting output
–10 –7.5 –5 dB/V
voltage VCNO=2 V
SWAMP Control Table
Gain control applicable to satellite receivers
Pin 25 Pin 26 Pin 27
Format
SWA SWB SWC
Satellite
1H
H
H
BS
2H
H
L
JC-SAT
NTSC
3H
L
H
SCC
4H
L
L
ASIA-SAT (NTSC)
5L
H
H
COPER NICUS
6L
H
L
U-TEL SAT
PAL
7L
L
H
ASTRA
8L
L
L
ASIA-SAT (PAL)
Deviation
(MHz/V)
17.0
15.8
18.0
21.6
22.5
25.0
16.0
20.0
Gain deviation
against BS (dB)
Remarks
0.0
positive
0.7
positive
–0.5
positive
–1.8
negative
–2.3
positive
–3.2
positive
0.5
positive
–1.4
negative
Control Table
Pin
Symbol
No.
LOW
HIGH
Unit
Min. Typ. Max. Min. Typ. Max.
Remarks
AFT clamp circuit ON when
5 KEYEDIN 0.0
0.1 0.3
V pulse input is Low during
keyed AFT
14 SYNCIN
0.8
V Clamp circuit ON when Low
25 SWA
0.0
26 SWB
0.0
27 SWC
0.0
2.0 3.0
2.0 3.0
2.0 3.0
VCC
V
Gain SW applicable to
VCC
V
satellite receivers
VCC
V
—10—
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