RFDA2026 Datasheet, PDF (15/16 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 1400MHz to 2700MHz, 6-BIT 0.5dB LSB CONTROL

RFDA2026
C1 2
DNP
LE
DATA
CLK
PUP
R4
VCC
R2
1K
DNP
8 ^RN1
7
6
5
4
3
2
1
1000 ohm
J1
C7
1
68pF
RFIN
Evaluation Board Schematic
2400MHz to 2700MHz Application Circuit
VCC
R5
0 ohm
C9
DNP
C10
DNP
C11
1uF
PUP
U1
RFDA2026
R6
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
UM232R
1 _{SPI_LE}
2 _{SPI_DATA}
3 _{SPI_CLK}
4 _PUP
5 _GND
6 _RFIN
7 _GND
GND ²¹
GND ²⁰
GND ¹⁹
GND ¹⁸
GND ¹⁷
RFOUT ¹⁶
GND ¹⁵
L1
4.7nH
C8
68pF
J2
1
RFOUT
PUP
CLK
DATA
LE
VCC
P1
1
2
3
4
5
6
HDR_1X6
VCC
R1
0 ohm
+
C4
DNP
C5
DNP
C6
1uF
C1
1uF
R3
VCC
0 ohm
+
C2
C3
DNP
DNP
Evaluation Board Bill of Materials (BOM)
2400MHz to 2700MHz Application Circuit
Description
Reference
Manufacturer
Manufacturer’s P/N
Designator
RFDA2026-411(B)
CAP, 1uF, 10%, 10V, X5R, 0402
C1, C6, C11
Viasystems
Murata Electronics
RFDA2026-411(B)
GRM155R61A105KE15D
DNP
C2-C5, C9-C10,
C12
CAP, 68pF, 5%, 50V, C0G, 0402
C7-C8
Murata Electronics
GRM1555C1H680JZ01D
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
IND, 4.7nH, +/-0.3nH, 0603
RES ARRAY, 4-ELEM, 1K, 5%, SMD 4x0402
DUT
J1-J2
P1
P2
R1, R3, R5
R2
R4, R6
L1
RN1
U1
Emerson Network Power
AMP
Aries Electronics Inc.
Panasonic Industrial Co.
Panasonic Industrial Co.
Toko SH Waigaoqiao F.T.Z. Inc.
KOA Speer Electronics, Inc.
RFMD
142-0701-821
640454-6
24-6518-10
ERJ-3GSY0R00V
ERJ-3GEYJ102
LL1608-FSL4N7S
CN1E4KTTD102J
RFDA2026-411
DS141020
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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