RFDA2026 Datasheet, PDF (13/16 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 1400MHz to 2700MHz, 6-BIT 0.5dB LSB CONTROL

RFDA2026
Evaluation Board Schematic
1400MHz to 2400MHz Application Circuit
VCC
LE
DATA
CLK
PUP
R2
R4
1K
DNP
J1
RFIN
C12
DNP
RN1
8
7
6
5
4
3
2
1
1000 ohm
C7
68pF
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
R6
PUP
P2
1 _TXD
GND ²⁴
DNPCLK 2 _{DTR# CB0} 23
DATA ³ RTS# CB1 ²²
4 _VIO
VCC ²¹
LE ⁵ RXD RST ²⁰
6 _RI#
3V3 ¹⁹
7 _{GND CB3} 18
8 _{DSR# PU1} 17
9 _{DCD# PU2} 16
10 _{CTS# VCC} 15
11 _CB4
USB ¹⁴
12 _CB2
SLD ¹³
U1
RFDA2026
UM232R
GND ²¹
GND ²⁰
GND ¹⁹
GND ¹⁸
GND ¹⁷
RFOUT ¹⁶
GND ¹⁵
C8
68pF
J2
RFOUT
PUP
CLK
DATA
LE
VCC
P1
1
VCC
2
3
R1
4
0 ohm ⁺ C4
C5
C6
5
6
DNP
DNP
1uF
HDR_1X6
R3 ^VCC
0 ohm
C1
C2
+
C3
1uF
DNP
DNP
Evaluation Board Bill of Materials (BOM)
Description
1400 MHz to 2400 MHz Application Circuit
Reference Designator
Manufacturer
RFDA2026-410(B)
CAP, 1uF, 10%, 10V, X5R, 0402
DNP
CAP, 68pF, 5%, 50V, C0G, 0402
CONN, SMA, END LNCH, FLT, 0.062"
CONN, HDR, ST, PLRZD, 6-PIN, 0.100"
CONN, SKT, 24-PIN DIP, .600", T/H
Res, 0.0, 1/16W, 5%, 0603
RES, 1K, 5%, 1/16W, 0603
DNP
RES ARRAY, 4-ELEM, 1K, 5%, SMD 4x0402
DUT
C1, C6, C11
C2-C5, C9-C10, C12
C7-C8
J1-J2
P1
P2
R1, R3, R5
R2
R4, R6
RN1
U1
Viasystems
Murata Electronics
Murata Electronics
Emerson Network Power
AMP
Aries Electronics, Inc.
Panasonic Industrial Co.
Panasonic Industrial Co.
KOA Speer Electronics, Inc.
RFMD
Manufacturer’s P/N
RFDA2026-410(B)
GRM155R61A105KE15D
GRM1555C1H680JZ01D
142-0701-821
640454-6
24-6518-10
ERJ-3GSY0R00V
ERJ-3GEYJ102
CN1E4KTTD102J
RFDA2026-410
DS141020
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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