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参数资料
| 型号： | LA75505M |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封装： | 0.300 INCH, MFP-24 |
| 文件页数： | 7/13页 |
| 文件大小： | 224K |
| 代理商： | LA75505M |
No. 6930-3/13
LA75505M
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[1st SIF Block]
Conversion gain
Vg
fp = 4.5 MHz, Vi = 500V
26
32
dB
SIF carrier output level
So
Vi = 10 mV
100
mVrms
First SIF maximum input
Simax
So ±2 dB
106
dBV
First SIF input resistance
Ris
5.0
6.0
k
First SIF input capacitance
Cis
3
6
pF
[SIF Block]
Limiting sensitivity
Vi(lim)
fp = 4.5 MHz,
F = ±25 kHz at 400 Hz
61
dBV
FM detector output voltage
Vo(FM)
480
600
750
mVrms
AM rejection ratio
AMR
AM = 30% at 400 Hz
50
60
dB
Total harmonic distortion
THD
f = 4.5 MHz,
F = ±25 kHz
0.5
1.0
%
FM detector output S/N
S/N(FM)
55
60
dB
BPF 3-dB bandwidth
BW
±100
kHz
NTSC de-emphasis
Ndeem
fm = 2 kHz
–3
dB
[Others]
4-MHz level (during external input)
X4MIN
Terminated
86
dB
IF system SW threshold resistance
V12
270
k
Split/inter SW
V16
0.5
V
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