SA626 Philips Semiconductors (Acquired by NXP), SA626 Datasheet - Page 11

• Manufacturer Part Number: SA626
• Description: SA626; Low Voltage High Performance Mixer FM if System With High-speed Rssi
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
1997 Sept 25
Low voltage high performance mixer FM IF system
with high-speed RSSI
RF IN
SMA
229.3MHz
V
RF IN
SMA
CC
PWR DWN CTRL
6.8 F
C8
AUDIO
39pF
RSSI
C6
240MHz
+
5–30pF
NOTE: For SA626 C10 and R3 are not required.
C5
47nH
L2
0.1 F
C7
C10
Figure 9. SA626 240MHz (RF) / 10.7MHz (IF) Application Circuit
5–30pF
1.0nF
22pF
C4
C1
C2
R3
0.1 F
33nH
C3
L1
12k
R4
10
1
2
3
4
5
6
7
8
9
SA626/636
U1
RF IN
RF BYPASS
XTAL
OSC (EMITTER)
XTAL
OSC (BASE)
V
RSSI FEEDBACK
RSSI OUT
PD CTRL
AUDIO OUT
QUAD
39pF
C11
CC
11
0.1 F
C12
5.6 H
L3
DECOUPLING
DECOUPLING
LIMITER DEC
LIMITER DEC
LIMITER OUT
MIXER OUT
LIMITER IN
GROUND
IF AMP
IF AMP
4.7pF
IF OUT
C13
IF IN
20
19
18
17
16
15
14
13
12
11
0.1 F
C17
1
0.1 F
1
C14
0.1 F
C16
I
I
10.7MHz
Product specification
10.7MHz
0.1 F
FLT1
C15
G
FLT1
G
2
SA626
2
O
O
SR00478
3
3