Philips Semiconductors Product specification
SA606Low-voltage high performance mixer FM IF system
1997 Nov 07 5
10987654321
20 19 18 17 16 15 14 13 12 11
RSSI
IF
AMP
MIXER
QUAD
MINI–CIRCUIT ZSC2–1B
AUDIO
C14
IFT1
C10
C9
C8
C7
C6 X1
R7
30.5
L2
SW3 SW4SW1
VCC
EXT.
LOC
OSC
44.545
45MHZ
R3
R1
R2
SW2
C3 C4
R4
51.1
C5
C2
C1
L1
R6
178 R8
39.2
”C” WEIGHTED
AUDIO
MEASUREMENT
CIRCUIT
45.06
MHZ
50.5
2430
3880
96.5
32.6 71.5
C24 C22 C20 C19
C18
C15
C16
C17
FLT2
SW7 SW6 SW5
SW8
SW9
C23 C21
R17
2.4k
FLT1
-25dB,
1500/50Ω PAD -10dB,
50/50Ω PAD -29dB,
929/50Ω PAD -10.6dB,
50/50Ω PAD -36dB,
156k/50Ω PAD
100pF NPO Ceramic
390pF NPO Ceramic
22pF 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
2.2µF
100nF +10% Monolithic Ceramic
10µF Tantalum (minimum) *
C21
C23
C27
Flt 1
Flt 2
IFT 1
L1
L2
X1
R9
R17
R10
R11
100nF +10% Monolithic Ceramic
100nF +10% Monolithic Ceramic
10kΩ +1%
10kΩ +1%
2.4kΩ +5% 1/4W Carbon Composition
2kΩ +1% 1/4W Metal Film
44.545MHz Crystal ICM4712701
0.8µH nominal
Toko 292CNS–T1038Z
455kHz (Ce = 180pF) Toko RMC–2A6597H
Ceramic Filter Murata SFG455A3 or equiv
Ceramic Filter Murata SFG455A3 or equiv
2.2µF +10% Monolithic Ceramic
147–160nH Coilcraft UNI–10/142–04J08S
C1
C2
C5
C6
C7
C8
C9
C10
C12
C14
C15
C17
C18
Automatic Test Circuit Component List
1.3k
51.7
71.5
96.5
32.8
51.5
OSCILLATOR
R12 2kΩ +1%
R13 20kΩ +1%
R14 10kΩ +1%
R9
R12
DEEMPHASIS
FILTER
LIMITER
VREG
SW10
SW11
R11 R13
R10
+–+
–
C12
AUDIO
R14
RSSI
16k
R19
C25 100nF +10% Monolithic Ceramic R18
R19 16kΩ
R18
3.3k
3.3kΩ
C26
C26 100nF +10% Monolithic Ceramic
C27
*NOTE: This value can be reduced when a battery is the power source.
SR00349
Figure 3. SA606 45MHz Test Circuit (Relays as shown)