RF2486 RF Micro Devices, RF2486 Datasheet - Page 5

• Manufacturer Part Number: RF2486
• Description: PCS LOW NOISE AMPLIFIER/MIXER
• Manufacturer: RF Micro Devices

Rev A7 010717
B U F F E N
L N A 2 IN
LO IN
J1
J 2
V
C C
*C om p on ents n ot no rm a lly p op ula ted.
NO TE S:
C 1 1 selecte d to fine tu ne L 4 for IF ou tput m a tch a t 210 M H z.
R 2 is no rm ally n ot po pu late d. F or ap plica tion s req uiring a dd itio nal LN A IP 3, see the d ata s hee t fo r
C 1 a an d C 2a a re no rm ally n ot po pulate d. If C 1a an d C 2 a a re po pulated , the L N A a nd m ixe r can b e
To use the p art w ith o nbo ard filter, d o no t p op ula te C 1a, a nd C 2a .
U se C 1 and C 2 ins tead . Th is w ill allow ca sca ded ope ratio n o nly .
50
50
rec om m end ed resistanc e va lue s.
tes te d in de pen de ntly . In th is c ase , C 1 a nd C 2 s hou ld b e re m ov ed.
**S ee N ote s**
strip
strip
1 k
22 pF
R 1
C 12
C 1 4
1 nF
22 pF
C 18
C 10
1 nF
2 2 pF
1 nF
C 7
C 6
50
V C C
2 2 pF
C 5
strip
(Download Bill of Materials from www.rfmd.com.)
Evaluation Board Schematic
10
11
12
1
2
3
4
5
6
7
8
9
2 4 8 6 4 0 0 -
V C C
G nd
1.96GHz, 210MHz IF
24
23
22
21
20
19
18
17
16
15
14
13
50
50
s trip
s trip
C 13
1 nF
47 0 nH
S A T
R 2*
L 3
2.7 n H
2 2 pF
47 0 nH
C 9
L1
L2
1 .5 pF
2 2 pF
C 3
C 4
+
4.7 u F
C 15
22 pF
22 pF
10 0 pF
10 0 pF
B U F F E R E N A B LE
C 1 *
C 2 *
22 p F
C 2a
C 16
C 17
F L1*
50
50
22 0 nH
V C C
L5
strip
s trip
T O K O
T 1
P 1
1
2
3
22 pF
C 1a
1.0 pF
RF2486
**S ee N o te s**
C 11
**S e e N otes **
50
4 7 nH
L4
5 pF
C 8
strip
V
V
C C
C C
L N A O U T
M IX E R IN
IF O U T
L O O U T
8-109
J4
J3
J6
J5
8