SC1088 ETC, SC1088 Datasheet

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SC1088

Manufacturer Part Number
SC1088
Description
FM RECEIVER CIRCUIT FOR BATTERY SUPPLY
Manufacturer
ETC
Datasheet

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SC1088
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SC1088
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SC1088
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portable and pocket radios. It is used when a minimum of perpheral
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
signal is suppressed by the mute circuit.
1. Mechanical tuning: This is possible with or without integrated AFC circuit
2. Electrical tuning: This is realized by one directional(band-up) search tuning facility, including RESET to the
* Mute Circuit
* Search tuning with a single varicap diode
* Mechanical tuning with integrating AFC
* AM application supported
* Power supply polarity protection
* Power supply voltage down to 1.8V
* Equipped with all stages of a mono receiver from antenna to
The SC1088 is a bipolar integrated circuit for use in mono
audio output.
lower-band limit.
Silan
Semiconductors
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
MUTE
LOOP
V
IF FB
C
OSC
V
OAF
V
LP1
OIF
P
1
2
3
4
5
6
7
8
SC1088
1
16
15
14
13
12
11
10
9
TUNE
C
GND
C
V
V
C
V
LIM
IRF
IRF
LP2
AP
IIF
SOP-16

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SC1088 Summary of contents

Page 1

... Silan Semiconductors The SC1088 is a bipolar integrated circuit for use in mono portable and pocket radios used when a minimum of perpheral 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 signal is suppressed by the mute circuit ...

Page 2

Silan Semiconductors 5k 10k HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD 680pF +3V 2 ...

Page 3

Silan Semiconductors Supply Voltage Operating Temperature Storage Temperature (Tamb= =3V ,Unless otherwise specified) p Supply Voltage(pin 4) Supply Current(Pin 4) DC voltage of pin 1 DC voltage of pin 3 DC voltage of pin 6 and 7 V6,7 ...

Page 4

Silan Semiconductors 1 MUTE Mute output Audio frequency output 2 V OAF signal 3 LOOP AF loop filter 4 Vp Supply voltage 5 OSC Oscillator resonat circuit feedback Low-pass capacitor of 1dB 7 C LP1 amplifier ...

Page 5

... OSC LP1 OIF 78nH 3.3nF 1.2k 18pF 10nF C1 10k V iRF 68pF 70nH LIM IRF IRF LP2 IIF SC1088 V OSC LP1 OIF 78nH 3.3nF 1.2k 18pF 10nF C1 C2 68nF D1 V101 5 ...

Page 6

Silan Semiconductors 3.9nF 12pF HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Transformer AF 4.7nF 22k 6 ...

Page 7

Silan Semiconductors SOP-16-225-1.27 0.41 1.27 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD 10.20 9.80 7 UNIT:mm ...

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