Philips Semiconductors RF Communications Products

Product specification

SA608

Low voltage high performance mixer FM IF system

November 3, 1992

7

RSSI

IF

AMP

MIXER

QUAD

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

AUDIO

C14

IFT1

C10

C9

C8

C7

C6

X1

L2

VCC

C5

C2

C1

L1

C18

C15

C17

FLT2

SW8

C23

C21

R17

2.4k

FLT1

51pF NPO Ceramic

220pF NPO Ceramic

5-30pF NPO Ceramic

1nF Ceramic

10.0pF NPO Ceramic

10pF NPO Ceramic

100nF +10% Monolithic Ceramic

100nF +10% Monolithic Ceramic

100nF +10% Monolithic Ceramic

100nF +10% Monolithic Ceramic

2.2

µF

100nF +10% Monolithic Ceramic

10

C21

C23

C26

Flt 1

Flt 2

IFT 1

L1

L2

X1

R9

R19

R10

R11

100nF +10% Monolithic Ceramic

100nF +10% Monolithic Ceramic

10k

Ω +1%

8.2k

Ω +1%

16k

Ω +5% 1/4W Carbon Composition

2k

Ω +1% 1/4W Metal Film

44.545MHz Crystal Hy-Q

1.2

Ceramic Filter Murata SFG455A3 or equiv

Ceramic Filter Murata SFG455A3 or equiv

0.1

µF +10% Monolithic Ceramic

C1

C2

C5

C6

C7

C8

C9

C10

C12

C14

C15

C17

C18

Product Board SA608D/DK Component List

OSCILLATOR

R14

10k

Ω +1%

VREG

+

–

+

–

LIMITER

C25

100nF +10% Monolithic Ceramic

R17

2.4k

Ω +5% 1/4W Carbon Composition

Figure 2. SA608 45MHz Test Circuit (Relays as shown)

R19

11k

R18

3.3k

C26

R18

3.3k

Ω +5% 1/4W Carbon Composition

C27

2.2

µF

OUT

RSSI

OUTPUT

FREQ

CHECK

C12

*NOTE: This value can be reduced when a battery is the power source.

C19

390pF

C19 390pF +10% Monolithic Ceramic

0.33

330