sa621dh NXP Semiconductors, sa621dh Datasheet - Page 5

• Manufacturer Part Number: sa621dh
• Description: 1ghz - Low Voltage Lna, Mixer And Vco
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 1. Power ON/OFF Control Logic
1997 Nov 07
1 or open
1 or open
1GHz low voltage LNA, mixer and VCO
IF
PD1
OUT
0
0
10nF
C6
C3
6.8pF
MIXER
1 or open
1 or open
OUT
PD1
20
1
PD2
0
0
L1
560nH
L4
560nH
24
R2
MIXER
OUT
PD2
19
2
Full chip power-down
VCO on, Mixer on, LNA power-down
VCO on, LNA and Mixer power-down
Full chip power-on (default)
GND
GND
18
3
C10
2.2pF
10nF
C2
VCO
MIXER
LO
17
IN
4
OUT
OUT
C14
6.8pF
C12
100pF
L6
12nH
C11
GND
GND
16
5
SA621
Figure 3. SA621 Applications Circuit
10nF
L3
6.8nH
LNA
GND
IN
15
6
C1
100pF
GND
TANK
14
C8
10nF
7
5
GND
LNA
OUT
13
8
C13
33pF
V
GND
12
CC
9
220pF
C10
BYPASS
GND
+ –
10
11
.5pF
V
3V
C5
CC
FREQ=1025MHz
MURATA 2mm
1/4 WAVE
2.2pF
C4
0.1 F
C9
L7
18.5nH
Hi–Q
Product specification
D1
SA621
5.1k
R1
VCO
CONTROL
SR01424
10nF
D7