SA627 데이터 시트보기 (PDF) - Philips Electronics

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SA627

High performance low power FM IF system with high-speed RSSI

Philips Electronics 

Philips Semiconductors

High performance low power mixer FM IF system

with high-speed RSSI

Product specification

SA627

20

RF = 45MHz

IF = 455kHz

VCC = 6V

AUDIO REF = 174mVRMS

0

RSSI

5 (Volts)

–20

4

+

THD NOISE

–40

3

AM (80%)

–60

2

–80

RSSI

(Volts)

NOISE

1

–100

–130

–110

–90

–70

–50

–30

–10

RF INPUT LEVEL (dBm)

Figure 6. SA627 Application Board at 25°C

0

10

SR00486

1.70

1.65

1.60

1.55

RFINP–38dBm

1.50

RFINP–28dBm

1.45

RFINP–56dBm

1.40

1.35

1.30

1.25

1.20

1.15

1.10

–40

–30

–20

–10

0

10

20

30

40

50

60

70

80

TEMPERATURE (°C)

Figure 7. SA627 Rise Time 455kHz IF Frequency

90

SR00487

1997 Nov 07

9

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