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PDF D7088 Data sheet ( Hoja de datos )
| Número de pieza | D7088 | |
| Descripción | FM Receiver Circuit for Battery Supply | |
| Fabricantes | Shaoxing Silicore | |
| Logotipo |  |
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Silicore
FM receiver circuit for battery supply D7088
GENERAL DESCRIPTION
The D7088 is a bipolar integrated circuit
for use in mono portable and pocket radios.
It is used when a minimum of peripheral
components (of small dimensions and low
costs) is important. The circuit contains a
frequency-locked-loop (FLL) system with
an Intermediate Frequency (IF) of about
70kHz. Selectivity is achieved by active
RC-filters. De-tuning related to the IF and too weak input signals is suppressed by the
mute circuit.
F E AT U R E S
z Equipped with all stages of a mono receiver from antenna to audio output
z Mute circuit
z Search tuning with a single varicap diode
z Mechanical tuning with Integrating AFC
z AM application supported
z Power supply polarity protection
z Power supply voltage down to 1.8V.
z Package: SOP16
z Mechanical tuning; this is possible with or without integrating AFC circuit
z Electrical tuning; this is realized by one directional (band-up) search tuning
facility, including RESET to the lower-band limit.
A P P L I C AT I O N S
z Mechanical tuning; this is possible with or without integrating AFC circuit.
z Electrical tuning; this is realized by one directional (band-up) search tuning
facility, including RESET to the lower-band limit.
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
1/8
1 page  
Silicore
D7088
AC CHARACTERISTICS
Unless otherwise specified: Vp=3V;Tamb=25°C;fIRF=96MHz modulated with
fmod=1kHz and 22.5kHz deviation; Vi=400µV (measured as EMF;Rs=75Ω)
PA R A M E T E R
SYMBOL
CONDITIOND
RF sensitivity
input voltage
(RMS value)
VOAF=-3dB; VOAF=0dB
at Vi=1mV;mute off
Vi VOAF=-3dB; VOAF=0dB
at Vi=1mV;mute on
(S+N)/N=26dB
Signal plus
noise-to-noise
ratio
N+S/N
Total harmonic
distortion
THD
f= 22.5kHz
f= 75kHz
AM suppression
AMR
FM:1kHz; f= 75kHz;
AM:1kHz,mod=80%
Ripple rejection
R.R
100mV Rms ripple on Vp,
f=1kHz
Audio output signal
(RMS value)
Vo
RL=22kΩ
Search tuning (with BB910 and C16=0.1µF)
Minimum output
voltage on pin 16
Tuning steepness
V16
V/ t
Limiting point
Vo l t a g e at p i n 1 6
Oscillator
steepness
AFC steepness
fosc/ t
IAFC/ V3
Vo ltage at pin 3
MIN. TYP. MAX. UNIT
- 36
3 6 12 µVrms
- 5 10
52 56 -
dB
- 1.0 1.4
- 2.4 3.3
47 52 -
%
dB
7 10 -
dB
60 85 120 mVrms
-
Vp-
1.85
-
V
95 210 420 mV/s
1.25 2.83 5.6 MHz/s
4.75 9.5 19 µs
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet D7088.PDF ] | |
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