FM FRONT END S1A0497X01 INTRODUCTION The S1A0497X01 is a monolithic integrated circuit designed for the FM front end of portable radio cassettes or music centers. It consists of RF AMP, local OSC buffer and mixer. Compared with conventional types, it is improved in the following characteristics: — Low supply voltage — Strong input — Spurious radiation 14−S.
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• Wide supply voltage range: VCC = 1.6V − 6.0V Low local oscillation stop voltage: VSTOP = 0.9V (Typ) mproved inter-modulation characteristics by double balanced type mixer circuit Low spurious radiation Built-in clamping diode in the mixer output stage
ORDERING INFORMATION
Device S1A0497X01-I0B0 S1A0497X01-S0B0 Package 9−SIP 14−SOP Operating Temperature −25°C − +75°C
1
S1A0497X01
FM FRONT END
BLOCK DIAGRAM
RF AMP
MIX
OSC BUFF
LOCAL OSC
VREF (8) 1 RF INPUT 2 BYPASS (11) 3 RF OUTPUT (12) 4 MIX IN (13) 5 GND (14) 6 (3) 7 (4) 8 OSC (5) 9 VCC (7)
MIX OSC OUTPUT OUTPUT
NOTE: ( ).
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | S1A0426C01 |
Samsung semiconductor |
AM/FM 1 CHIP RADIO | |
2 | S1A0426C02 |
Samsung semiconductor |
AM/FM 1 CHIP RADIO | |
3 | S1A0427B01 |
Samsung semiconductor |
AM/FM 1 CHIP RADIO | |
4 | S1A0429A01 |
Samsung semiconductor |
FM 1 CHIP RADIO | |
5 | S1A0051 |
Digital & Analog |
FET Driver | |
6 | S1A0067X01 |
Samsung semiconductor |
4.6W AUDIO POWER AMP | |
7 | S1A0071 |
Digital & Analog |
Audio Processor | |
8 | S1A0134A01 |
Samsung semiconductor |
DUAL PRE-POWER AMP | |
9 | S1A0136A01 |
Samsung semiconductor |
DUAL PRE-POWER AMP WITH VOLUME CONTROLLER | |
10 | S1A0211X01 |
Samsung semiconductor |
DUAL LOW NOISE EQ AMP | |
11 | S1A0234B01 |
Samsung semiconductor |
5 BAND DUAL GRAPHIC EQ AMP | |
12 | S1A0241A01 |
Samsung semiconductor |
DUAL EQ AMP WITH ALC |