rf2052 RF Micro Devices, rf2052 Datasheet - Page 15

• Manufacturer Part Number: rf2052
• Description: High Performance Wideband Rf Synthesizer/vco With Integrated Rf Mixer
• Manufacturer: RF Micro Devices

The following diagrams show the schematic of the RF2052 evaluation board and the PCB layout for the RF section of the cir-
cuit. Application notes have been produced showing how the device is matched and details of board layouts. The documenta-
tion supplied with the design kit provides a complete circuit diagram for the board and associated information on programming
the device.
Prelim DS080513
DSR#
CTS#
VDD
VDD
CB2
CB4
UIO
12
11
10
11
13
15
17
19
21
23
9
8
7
6
5
4
3
2
1
1
3
5
7
9
Socket for USB
HDR_2X12
Interface
13
14
15
16
17
18
19
20
21
22
23
24
10
12
14
16
18
20
22
24
2
4
6
8
SLD
USB
VCC
PU2
PU1
CB3
VDD
RST#
VCC
CB1
CB0
RESETB
ENX
SCLK
SDATA
ENBL
LFILT1
LFILT3
MODE
470 pF
12 kW
C9
LFILT1
10 nF
33 pF
C34
R3
C5
10 uF
C11
VDDD
VDDA
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R20
0 R
10 uF
LFILT2
C12
VDDA
Preliminary
RESETB
SDATA
LFILT1
LFILT3
MODE
ENBL
Loop Filter
REF
22 pF
J6
820 R
C8
R2
50 Ω( strip
50 Ω( strip
Evaluation Board Schematic
51 kℵ
330 pF
DNI
DNI
820 R
R1
R5
R4
R19
C10
DNI
R6
33 pF
C35
LFILT2
DNI
C7
LFILT3
Evaluation Board
SCLK
33 pF
C15
33 pF
C36
4
330 pF
C22
DNI
1
2
3
4
5
6
7
8
26 MHz XTAL
C17
GND
33 pF
C16
DNI
ENX
C14
32
9
GND
31
10
3
2
33 pF
C13
30 29 28
11
12
33 pF
C1
13
27 26
14
15 16
DNI
L1
25
24
23
22
21
20
19
18
17
DNI
R8
TC1-1-13M
33 pF
C2
T2
33 pF
VDDA
100 pF
100 pF
C24
C23
C3
TC4-19+
VDDD
T1
C31
DNI
10 nF
C19
R15
0 R
VDDA
100 pF
100 pF
100 pF
C21
C20
10 nF
C6
50 Ω( strip
C18
C25
DNI
R14
0 R
RF2052
50 Ω( strip
15 of 18
RF OP
RF IP
J2
J1