Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site
Part Name
Description
RF2668 View Datasheet(PDF) - RF Micro Devices
Part Name
Description
View to exact match
RF2668
CDMA/FM TRANSMIT MODULATOR, IF AGC, AND UPCONVERTER WITH INTEGRATED PLL
RF Micro Devices
RF2668 Datasheet PDF : 16 Pages
First
Prev
11
12
13
14
15
16
Preliminary
RF2668
Application Schematic
Tri-Mode/Dual-Band Operation
10 nF
MIX VCO PLL
V
CC
MODE CE AGC EN EN ON
270
Ω
1 nF
10 nF
V
CC
4.7 pF
RF OUT (CELL)
4.7 pF
12 nH
8 nH
RF OUT (PCS)
8.2 nH
3.9 nH
0.5 pF
V
CC
10 nF
LO2
100 pF
100 pF
MIX IN+
MIX IN-
1 nF
1 nF
1 nF
MOD OUT-
MOD OUT+
1 nF
48 47 46 45 44 43 42 41 40 39 38 37
1
Band Gap
Rel
2
3
4
5
Bias
Supply
/R
Lock
Detect
Charge
/N
Pump
36
35
34
33 LD
32
6
31
7
30
10 nF
1 nF
2.2 nF
36 k
Ω
220 pF 33 pF
D1
39 nH
**
10 nF
39 nH
8
29
200
Ω
9
28
10
Σ
Quad
/2
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
10 nF
47 k
Ω
V
CC
V
CC
10 nF
1 nF
10 nF
L1*
L2*
1 nF
39 k
Ω
10 nF
*L1 and L2 are the bias
choke inductor.
**Denotes components not normally populated.
V
GC
OSIG
REF ISIG
OSC REF
SET1
SET2
DO
V
CC
**
3.9 k
Ω
VTUNE
DO
LO1+
LO1-
V
CC
5
Rev B4 010423
5-81
Share Link:
datasheetbank.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]