參數(shù)資料
型號(hào)： LV25200M
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 調(diào)諧器
英文描述： 4-BAND, AUDIO TUNER, PQFP80
封裝： 14 X 14 MM, QFP-80
文件頁(yè)數(shù)： 12/16頁(yè)
文件大?。?/td> 517K
代理商： LV25200M
LV25200M
No.A0976-5/45
[FM IF Filter characteristics] FM IF input
CCB Command
Parameter
Symbol
Conditions
IN1
IN2
IN3
-1
IN3
-2
IN3
-3
IN3
-4
IN3
-5
min
typ
max
Unit
2-1 IF variable filter
gain-narrow band
FIL-G-N
70dB
μV, pin 54 AC (450kHz)
output non-mod,
After CF adjustment, fit in
through BW/G adjustment.
Narrow-Fix MODE
19
37
21
25
79
84
89
2-2 IF variable filter
FIL-BW-N
Pin 54 -AC output monitor.
Confirm the 2dB or more level down
at the ±25kHz point with reference to
the center frequency of 450kHz.
-3dB bandwidth. Narrow-Fix MODE
19
37
21
25
2
dB
2-3 IF variable filter
FIL-BW-W
Pin 54-AC output monitor.
Confirm no level down exceeding
3 dB at the ±80kHz point with
reference to the center frequency
of 450kHz.
-3dB bandwidth.
Wide-Fix MODE
19
37
23
25
3
dB
[NC block] NC input (48pin), S-meter AC input (40pin)
CCB Command
Parameter
Symbol
Conditions
IN1
IN2
IN3
-1
IN3
-2
IN3
-3
IN3
-4
IN3
-5
min
typ
max
Unit
3-1 FM NC gate time
FM τGATE
NC input, pulse cycle=1kHz,
38pin=2V applied,
pulse width=1
μs,
at 100mVp-o pulse input (after
MVCO adjustment)
19
37
25
36
40
44
μs
3-2 FM NC noise
sensitivity
SN-DETOUT
NC input (pin 48),
38pin=2V applied,
measure the pulse input level at
which the noise canceller starts
operation, pulse cycle=1kHz,
pulse width=1
μs
19
37
25
17
30
43 mVp-o
3-3 FM NC noise
sensitivity
SN-Vsm
S-meter (AC) input (pin 40),
38pin=0V applied,
measure the pulse input level at
which the noise canceller starts
operation, pulse cycle=1kHz,
pulse width=1
μs
19
37
25
46
mVp-o
3-4 AM NC gate time
AM τGATE(1)
S-meter (AC) input (pin 40),
pulse cycle=1kHz,
pulse width=1
μs,
measurement at pin 33.
38pin=1.5
36
37
26
345
450
555
μs
3-5 AM NC noise
sensitivity
SN
S-meter (AC) input (pin 40),
measure the pulse input level at
which the noise canceller starts
operation, pulse cycle=1kHz,
pulse width=1
μs
36
37
26
24
mVp-o
[Multipath-noise rejection circuit] MRC input (pin 41)
CCB Command
Parameter
Symbol
Conditions
IN1
IN2
IN3
-1
IN3
-2
IN3
-3
IN3
-4
IN3
-5
min
typ
max
Unit
4-1 MRC output
VMRC
Pin 39 voltage when 3.5 V is
applied to V38
19
37
25
2.76
2.96
3.16
V
4-2 MRC operation level
MRC-ON
SG (AG5) out level when pin 38
=5V and pin 39=2.6V, f=70kHz
19
37
25
50
71
100 mVrms
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