Philips SA615 Datasheet page 6

Philips Semiconductors
High performance low power mixer FM IF system
1500/50 PAD
C1
C2
SW2
R1
R3
45MHZ
C1 47pF NPO Ceramic
C2
180pF NPO Ceramic
C5 100nF +10% Monolithic Ceramic
C6 22pF NPO Ceramic
C7 1nF Ceramic
C8 10.0pF NPO Ceramic
C9
100nF +10% Monolithic Ceramic
C10
6.8 F Tantalum (minimum) *
C11 100nF +10% Monolithic Ceramic
C12 15nF +10% Ceramic
C13 150pF +2% N1500 Ceramic
C14
100nF +10% Monolithic Ceramic
C15 10pF NPO Ceramic
C17 100nF +10% Monolithic Ceramic
C18 100nF +10% Monolithic Ceramic
*NOTE: This value can be reduced when a battery is the power source.
1997 Nov 07
25dB, 10dB,
– –
50/50 PAD 929/50 PAD
96.5
50.5
2430
71.5
3880 32.6
C24 C22
SW9
FLT1 SW8
C21
C23
20 19 18 17
IF AMP
MIXER
OSCILLATOR
EMITTER
1 2 3 4
SW1 SW3 SW4
C8
L1
C7
C5
R4
L2
51.1
X1
C6
C4
C3 EXT. R7
LOC 30.5
R2
OSC
44.545
R6
178
45.06
MHZ
MINI–CIRCUIT ZSC2–1B
Automatic Test Circuit Component List
Figure 3. SA615 45MHz Test Circuit (Relays as shown)
29dB, 10.6dB,
– –
50/50 PAD
51.5
96.5
71.5
32.8
C20
R17
C19
5.1k
SW7
SW6
FLT2
C18
C17
16 15 14
13
700
LIMITER
QUAD
DETECTOR
RSSI
MUTE
SWITCH
BASE
5 6 7 8
C9 R9 R10 R11
C10 C11 C12
"C" WEIGHTED
AUDIO
MEASUREMENT
CIRCUIT
R8
39.2
MUTE RSSI AUDIO UNMUTED
V
CC
OUTPUT
C21
100nF +10% Monolithic Ceramic
C23
100nF +10% Monolithic Ceramic
C25
100nF +10% Monolithic Ceramic
C26 390pF +10% Monolithic Ceramic
Flt 1 Ceramic Filter Murata SFG455A3 or equiv
Flt 2 Ceramic Filter Murata SFG455A3 or equiv
IFT 1 455kHz 270 H TOKO #303LN-1129
L1 300nH TOKO #5CB-1055Z
L2
0.8 H TOKO 292CNS–T1038Z
X1 44.545MHz Crystal ICM4712701
R9
100k +1% 1/4W Metal Film
R17
5.1k +5% 1/4W Carbon Composition
R10
100k +1% 1/4W Metal Film (optional)
R11 100k +1% 1/4W Metal Film (optional)
6
Product specification
SA615
36dB,
–
156k/50 PAD
51.7
1.3k
C15
C16
SW5
12 11
9 10
C13
IFT1
C26
C14
AUDIO
SR00343