Antenna Mini-Whip (SMD)

2 years ago 7528
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EasyEDA project for easy and quick build active RA0SMS Mini-Whip receiving antenna. Project includes schematic and PCB with SMA connectors. Version for mounting SMD components.

Current development progress:

Progress Progress Bug report

Frequency range: 10kHz - 30MHz;
Power: DC 5 - 13 V, 100mA;
RF connector: SMA;
Feed line: 50 Ohm coaxial cable;
Used PCB Material: FR-4;
PCB thickness: 1.6 mm;
PCB copper weight: 1 oz;

Easy-SDR project page at GitHub
Original schematic: RA0SMS Mini Whip
Buy SDR receiver: RTL-SDR.COM

List of changes:

Version 5.0.EE: the RF line width has been recalculated using Saturn PCB Design V7.08. At the moment, the resistance of the RF line is close to 50 Ohms.

How to contact me?


Antenna Mini-Whip (SMD): Main module

Antenna Mini-Whip (SMD): Power feed unit

Antenna Mini-Whip PCB (SMD): Main module

Antenna Mini-Whip PCB (SMD): Power feed unit

Antenna Mini-Whip PCB (SMD): Power feed unit (with RF-isolation transformer)

Antenna Mini-Whip (SMD): Power feed unit (with RF-isolation transformer)

Antenna Mini-Whip PCB (SMD): Power feed unit (with RF-isolation transformer TC1-1T+)


ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Mounted
1 SMA PFU J1 SMA-EDGE 1 ANKX01.0093 RFsister LCSC Yes
2 PROBE P1 HDR-1X1/2.54 1 Header-Male-2.54_1x1 LCSC LCSC No
3 100p C1 0805 1 CC0805JRNPOBBN101 YAGEO LCSC Yes
4 1M R1 0805 1 RC0805FR-071ML YAGEO LCSC Yes
5 10u L1 0805 1 MLF2012E100JT000 TDK LCSC Yes
6 3k R2 0805 1 RC0805FR-073KL YAGEO LCSC Yes
7 360k R4 0805 1 RC0805FR-07360KL YAGEO LCSC Yes
8 5M1 R3 0805 1 RC0805FR-075M1L YAGEO LCSC Yes
9 82R R5 0805 1 RTT0582R0FTP RALEC LCSC Yes
10 43k R6,R7 0805 2 RTT054302FTP RALEC LCSC Yes
11 BF998 Q1 SOT143 1 BF998E6327HTSA1 Infineon LCSC Yes
12 100n C2,C3,C4,C5,C6,C7,C8 0805 7 08055C104JAT2A AVX LCSC Yes
13 200R R8 1206 1 RC1206FR-07200RL YAGEO LCSC Yes
14 5R6 R9 0805 1 CR0805F85R60G LIZ LCSC Yes
15 82R R10 2512 1 CR2512J82RE042W Ever Ohms Tech LCSC Yes
16 BFG591 Q2 SOT-223 1 BFG591,115 NXP USA Inc. Digi-Key Yes
17 47R R11 0805 1 RTT0547R0FTP RALEC LCSC Yes
18 470uH L2,L3 7850 2 SM7850-471MT SXN LCSC Yes
20 SMA ANTENNA J2 SMA-EDGE 1 ANKX01.0093 RFsister LCSC Yes
21 DC005-2.0MM DC1 DC-5020 1 DC-005 5.5-2.0MM BOOMELE LCSC Yes
22 c29a077f448340f5b7cab12dd3b1b034 D1 DO214AC 1 SS14D Semtech LCSC Yes


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