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TEA5591A

AM/FM radio receiver circuit

Philips Electronics 

Philips Semiconductors

AM/FM radio receiver circuit

Product specification

TEA5591A

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

Oscillator (pin 22)

Voltage

AFC control; change in

oscillator frequency

IF and demodulator part

VAFC (pin 21)

= 0.8 V

VAFC = 0.8 V

VP = 1.5 V

VAFC = 0.8 V

∆VAFC = −0.6 V

∆VAFC = +0.6 V

Vosc

155

200

245

Vosc

60

120

−

f

−

111.2 −

∆f

−

+420 −

∆f

−

−620 −

(pin 18 to 11)

IF sensitivity;

AF output voltage

Signal + noise to noise

ratio for an IF input

AF output voltage

Total harmonic

distortion

LED-indicator circuit

note 6

note 7

Vi = 100 µV

Vi = 100 µV;

out of limiting

Vi = 1 mV

∆f = 75 kHz

Vi = 50 mV

Vo

S + N/N

Vo

THD

−3

−1

0

26

30

−

75

90

120

−

3

−

(pin 7)

Output current

Vi = 0 V

Vi = 1 mV

lind

−

−

20

lind

0.6

1

1.9

Notes to the AC characteristics

1. Input frequency = 1 MHz; output frequency = 468 kHz.

2. α = -(---V-(--V-o---o--a--a--t--t-f--i-f--i=--=-----4-1--6--M-8----kH----H-z---z--)---)--- .

3. Input frequency = 468 kHz; m = 30% modulated with fmod = 1 kHz; unless otherwise specified.

4. Front-end connected to IF plus detector part. Input frequency = 1 MHz; m = 80% modulated with

fmod = 1 kHz.

5. Input frequency = 100 MHz; output frequency = 10.7 MHz.

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 = 1 mV.

8. Value to be fixed.

UNIT

mV

mV

MHz

kHz

kHz

dB

dB

mV

%

µA

mA

February 1990

10

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