Antenna Mini-Whip (TH)

2 years ago 5856
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EasyEDA project for easy and quick build active PA0RDT Mini-Whip antenna. Project include schematic for Antenna & Power Feed Unit and PCBs. Version for mounting TH 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;

Easy-SDR project page at GitHub
Original schematic: PA0RDT Mini Whip
Buy SDR receiver: RTL-SDR.COM

List of changes:

Version 7.0.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 (TH): Main module

Antenna Mini-Whip (TH): Power feed unit

Antenna Mini-Whip PCB (TH): Main module

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

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

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


ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
1 100nF C1,C2,C3,C4,C6,C7,C5,C9,C8 RAD-0.1 9 Monolithic0805B104J500F3 LCSC FH C110282
2 220R R1 AXIAL-0.5 1 MFR0S2F2200A20 LCSC Uniroyal Elec C58583
3 470uH L1,L2 AXIAL-0.4 2 LGA0510-471KP52E LCSC FH C72362
4 47R R2 AXIAL-0.3 1 MF1/4W-47Ω±1% T52 LCSC CCO C119296
5 2k2 R3 AXIAL-0.3 1 MFR0W4F2201A50 LCSC UniOhm C58595
6 10k R4 AXIAL-0.3 1 MFR0W4F1002A50 LCSC UniOhm C57436
7 680R R5 AXIAL-0.3 1 MFR0W4F6800A50 LCSC UniOhm C58599
8 1M R6,R7,R8 AXIAL-0.3 3 MFR0W4F1004A50 LCSC UniOhm C58596
9 2N5109 Q1 TO39 1 2N5109 Digi-Key Central Semiconductor Corp 2N5109CS-ND
10 J310 Q2 TO92-INLINE 1 J310 Digi-Key ON Semiconductor J310-ND
11 PROBE P1 HDR-1X1/2.54 1 Header-Male-2.54_1x1 LCSC LCSC C81276
12 SMA PFU J1 SMA-EDGE 1 ANKX01.0093 LCSC RFsister C129604
13 SMA ANTENNA J2,J4 SMA-EDGE 2 ANKX01.0093 LCSC RFsister C129604
14 SMA RECEIVER J3,J5 SMA-EDGE 2 ANKX01.0093 LCSC RFsister C129604
15 DC005-2.0MM DC1,DC2 DC-5020 2 DC-005 5.5-2.0 LCSC BOOMELE C16214
16 MF-R 100mA U1 F-0.10A-60V 1 MF-R010 LCSC BOURNS C89660
17 1N5819 D1,D2 DO41-7 2 1N5819 LCSC (MDD) Jiangsu Yutai Elec C2474
18 Header-Female-2.54_1x2 P2 HDR-2X1/2.54 1 826629-2 LCSC TE Connectivity C86471
19 220uF C10 CAP-D6.3XF2.5 1 NULL LCSC Dongguan Chengxing Elec C43838


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