Philips Semiconductors
Product specification
SA631
1GHz low voltage LNA and mixer
1998 Jan 08
5
Table 1. Power ON/OFF Control Logic
PD1
PD2
0
0
Full chip power-down
0
1 or open
Mixer on, LNA power-down
1 or open
0
Standby (bias on)
1 or open
1 or open
Full chip power-on (default)
SR01589
+
–
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
PD1
PD2
GND
GND
GND
GND
GND
GND
GND
MIXER
GND
GND
GND
GND
V
CC
LO
OUT
IF
OUT
VCO
OUT
SA631
C3
6.8pF
L4
560n
C15
10nF
C14
6.8pF
C13
33pF
C8
10nF
3V
C12
100pF
C1
100pF
V
CC
OUT
MIXER
OUT
MIXER
IN
LNA
IN
LNA
OUT
L3
6.8nH
10nF
0.1
µ
F
C9
C11
L6
12nH
C10
2.2pF
10pF
C16
10pF
L1
560nH
C2
Figure 3. SA631 Application Circuit