LA7775M Ver la hoja de datos (PDF) - SANYO -> Panasonic
Número de pieza
componentes Descripción
Fabricante
LA7775M Datasheet PDF : 5 Pages
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LA7775M
Operating Characteristics at Ta = 25°C (VCC = 5 V, fo = 106.5 MHz, fIF = 10.7 MHz)
Parameter
Current drain
Preamplifier input capacitance
Preamplifier input resistance
Preamplifier voltage gain
Mixer input capacitance
Mixer input resistance
Mixer conversion gain
–3 dB limiting sensitivity
Demodulation output
SAW switching threshold level
Data output high level
Data output low level
Oscillator output
Symbol
Conditions
ICCO
Ci21
Ri21
Gp
Ci24
Ri24
Gc
Vi
Vo
V19TH
V18H
V18L
V2
100 MHz
100 MHz
350 MHz
100 MHz
100 MHz
350 MHz
∆F = 75 kHz dev, at 1 kHz
∆F = 75 kHz dev, at 1 kHz
117.2 MHz
min
180
1.35
4.5
0.35
Ratings
typ
20
7
1
15
7
1
25
10
250
1.50
max
26
16
1.65
0.5
Unit
mA
pF
kΩ
dB
pF
kΩ
dB
dBµ
mVrms
V
V
V
Vp-p
Equivalent Circuit Block Diagram and Test Circuit
RF
VCC
INPUT
0.1 µF
5 pF
SELLOECTODUATPTAUT
2 kΩ 10 kΩ
470 pF
220 pF
10 kΩ
24 23 22 21 20 19 18 17 16 15
GND
VCC
PRE AMP
MIXER
DATA
SHAPER
OSC
330 Ω
LIM.AMP
RF GND
1 kΩ
1
2
3
4
5
6
7
8
9
10
1000 pF 20 pF
20 pF
SFE10.7MS2
1 µH
510 Ω
OSC
VCC
OUTPUT
14 13
FM DET
390 Ω
11 12
6 pF
T00078
No. 5736-2/5
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