RFDA0026 Datasheet, PDF (11/13 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 700MHz TO 1035MHz, 6-BIT 0.5dB LSB CONTROL

RFDA0026
Evaluation Board Schematic
650MHz to 850MHz Application Circuit
C12
DNP
LE
DATA
CLK
PUP
R4
VCC
R2
1K
DNP
RN1
8
7
6
5
4
3
2
1
1000 ohm
J1
C7
1
68pF
RFIN
VCC
R5
0 ohm
C9
DNP
C10
DNP
C11
1uF
1 _{SPI_LE}
2 _{SPI_DATA}
3 _{SPI_CLK}
4 _PUP
5 _GND
6 _RFIN
7 _GND
PUP
CLK
DATA
LE
VCC
P1
1
2
3
4
5
6
HDR_1X6
VCC
R1
0 ohm
+
C4
DNP
C5
DNP
C6
1uF
PUP
U1
RFDA0026
R6
DNP
CLK
DATA
LE
P2
1 _TXD
GNDD ²⁴
2 _{DTR## CB00} 23
3 _{RTTSS## CB11} 22
4 _VIIOO
VCC ²¹
5 _RXD
RSSTT ²⁰
6 _RII##
3V33 ¹⁹
7 _GND
CB33 ¹⁸
8 _{DSRR## PU1} 17
9 _{DCDD## PU2} 16
10 _{CTSS## VCC} 15
11 _CB4
USBB ¹⁴
12 _CB2
SLD ¹³
UM232R
GND ²¹
GND ²⁰
GND ¹⁹
GND ¹⁸
GND ¹⁷
RFOUT ¹⁶
GND ¹⁵
C8
J2
1
L1
68pF
RFOUT
3pF
C1
1uF
R3
VCC
0 ohm
+
C2
C3
DNP
DNP
Evaluation Board Build of Materials (BOM)
650MHz to 850MHz Application Circuit
Description
Reference
Manufacturer
Designator
RFDA0026, 6 x 6sq.mm, 28-Pin Laminate
U1
RFMD
RFDA2026-411(B)
Viasysytems
CONN, SMA, END LNCH, FLT, 0.062"
J1-J2
Emerson Network Power
CONN, HDR, ST, PLRZD, 6-PIN, 0.100"
P1
AMP
CONN, SKT, 24-PIN DIP, .600", T/H
P2
Aries Electronics, Inc.
CAP, 1F, 10%, 10V, X5R, 0402
C1, C6, C11
Murata Electronics
CAP, 68pF, 5%, 50V, C0G, 0402
C7-C8
Murata Electronics
RES, 1K, 5%, 1/16W, 0603
R2
Panasonic Industrial Co.
RES ARRAY, 4-ELEM, 1K, 5%, SMD 4 X 00402
RN1
KOA
CAP, 3pF, +/-0.1pF, 250V, HI-Q, 0603
L1
Murata Electronics
RES, 0Ω, 0603
R1, R3, R5
KOA Speer Electronics, Inc.
DNP
C2, C5, C10
N/A
DNP
C3-C4, C9, C12
N/A
DNP
R4, R6
N/A
Manufacturer's P/N
RFDA0026SB
RFDA2026-411(B)
142-0701-821
640454-6
24-6518-10
GRM155R61A105KE15D
GRM1555C1H680JZ01D
ERJ-3GEYJ102
CN1E4KTTD102J
GQM1875C2E3R0BB12D
RK73Z1JLTD
N/A
N/A
N/A
DS120803
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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