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PDF TEA5594 Data sheet ( Hoja de datos )
| Número de pieza | TEA5594 | |
| Descripción | AM/FM radio receiver circuit | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TEA5594
AM/FM radio receiver circuit
Product specification
File under Integrated Circuits, IC01
March 1991
1 page  
Philips Semiconductors
AM/FM radio receiver circuit
Product specification
TEA5594
handbook, full pagewidth
IF +
I level
soft
mute 1
IF +
p6
FM
mixer output
2.3 V
2
Vref
FM RF +
FM MIXER
2 pF
FM RF +
1.5
kΩ
32 GND FM front-end
31 FM RF decoupled
1.6 V
FM IF 3
2.3
V
FM IF1
input
2.3 V
4
FM IF1
output
2.2 V
5
360 Ω
(4 x)
FM OSC
FM OSC
330 Ω
330 Ω
IF + p6
12.5
kΩ
330
Ω
30 FM RF input
0.9 V
29 FM RF AGC
1 to 0.3 V
28 FM RF output
FM IF 6
2.3 V
FM IF
input
2.3 V
7
360 Ω
(3 x)
IF + p6
TEA5594
FM stabilizer 8
2.3 V
IF + p8
IF + p8
AM +
FM RF +
FM RF
27 stabilizer
1.6 V
26
FM oscillator
25 Ω
25
AM oscillator
VP 9
2.7 to 15 V
GND (FM - IF
AM)
10
FM demodulator 11
1.3 V
1
kΩ
IF + p8
AM
+
AF output AM/FM 12
AM ~ 0.3 V
FM ~ 1.1 V
VP
AM/FM
level indicator
output
13
2.7
kΩ
AM
AGC
V ref
AM IF input 14
0.8 V
1.5 kΩ
14
kΩ
AM AGC 15
1.5 to1.1 V
AM AGC
2 kΩ
mixer output 16
1.6 V
AM +
3.9
kΩ
AM
+
1.7
kΩ
4.2
kΩ
V ref
24 AM voltage stabilizer
1.6 V
23 AM RF decoupled
1.1 V
22 AM RF input
8.9 kΩ
10.3
kΩ
AM + IF + p8
IF counter
21 enable input
IF counter
20 output
2 kΩ
AM +
700 Ω
GND
19 (oscillator buffer)
510 Ω
FM RF +
AM
18 oscillator output
300 Ω
FM
17 oscillator output
AM OSC
AM OSC
Fig.2 Equivalent circuit diagram.
MLA284
March 1991
5
5 Page 
Philips Semiconductors
AM/FM radio receiver circuit
Product specification
TEA5594
PARAMETER
CONDITIONS
SYMBOL MIN.
TYP.
MAX.
Counter enable circuit
v
IF counter output OFF
IF counter output ON
V21 − − 0.8
V21 2 − VP
AM/FM switch
FM OFF/AM ON
FM ON/AM OFF
V8-10
−
0
0
V24-10
−
0
0
Notes to the characteristics
1. Input frequency = 1 MHz, output frequency = 468 kHz;
SC = V-V----io--(--(R--I-FF---))- × -N----2----R-⁄---N----3-- ( see TR2 Component data)
Where R = 1.2 kΩ (total impedance at pin 16).
2. α = 20 log (Vi at fi = 468 kHz)/(Vi at fi = 1 MHz); Vo = 10 mV; no AGC.
3. Input frequency = 468 kHz; m = 30% modulated with fmod = 1 kHz; Rsource = 800 Ω unless
otherwise specified.
4. Front-end connected to IF plus detector part (see Fig.5). Input frequency = 1 MHz; m = 80%
modulated with fmod = 1 kHz.
5. Input frequency = 100 MHz, output frequency = 10.7 MHz;
Sc = V-V----io--(--(R--I-FF---))- × -N----1----R-⁄---N-----2- (see TR3 Component data)
Where R = 6.6 kΩ (total impedance at pin 2).
6. Input frequency = 10.7 MHz; frequency deviation, ∆f = 22.5 kHz and fmod =1 kHz; unless
otherwise specified.
7. Reference: AF output voltage = 0 dB at Vi(IF) = 1 mV;
No mute: V1 = V8;
With mute: V1 = 0 V.
8. AM suppression is measured with AM only: m = 0.8% and fmod = 1 kHz referred to AF output at
FM only: ∆f = 75 kHz and fmod = 1 kHz.
9. Value to be fixed.
UNIT
V
V
V
V
March 1991
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet TEA5594.PDF ] | |
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