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Std EditionSPDT Antenna switch (SMD, ENCLOSURE)

License: MIT

Published Time:2020-04-10 04:13:33
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Description

EasyEDA project for easy and quick build "SPDT Antenna switch" module for switching receiving antennas. Project includes schematic and PCB prepared for setting up into aluminum enclosure with dimensions 80 x 50 x 20 mm with SMA connectors. Version for mounting SMD components.

Current development progress:

Progress Progress Bug report

Input voltage: USB type B, DC 5 V;
Frequency range: 300 kHz - 2.5 GHz (according to the datasheet on AS169-73LF);
Insertion loss: 0.3 dB (300 kHz - 1 GHz), 0.4 dB (1 - 2.5 GHz);
Isolation: 25 dB (300 kHz - 1 GHz), 24 dB (1 - 2.5 GHz);
RF connector: SMA;
Feed line: 50 Ohm coaxial cable;
Used PCB Material: FR-4;
PCB thickness: 1.6 mm;
PCB copper weight: 1 oz;

Used only for switching receiving antennas! Using the unit in a transmitting radio channel may damage the AS169-73LF.

EasySDR project page at GitHub
Buy SDR receiver: RTL-SDR.COM
Order PCB manufacturing using PCBWay service

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Documents

SPDT Antenna switch (SMD, ENCLOSURE): Main module

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SPDT Antenna switch (SMD, ENCLOSURE): Power circuit

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SPDT Antenna switch (SMD, ENCLOSURE): RF part

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ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
1 100n C10,C11,C9,C8,C12 0805 WITHOUT MASK 5 0805B104J250 LCSC Walsin Tech Corp C163184
2 100p C7,C6,C5 0805 3 C2012C0G2A101JT000N LCSC TDK C76633
3 SMA RF IN 1 J1 SMA-EDGE 1 ANKX01.0093 LCSC RFsister C129604
4 SMA RF IN 2 J2 SMA-EDGE 1 ANKX01.0093 LCSC RFsister C129604
5 SMA RF OUT J3 SMA-EDGE 1 ANKX01.0093 LCSC RFsister C129604
6 AS169-73LF U3 SOT-23-6 WITHOUT MASK 1 AS169-73LF LCSC Skyworks Solutions C133314
7 BAV99 D1,D2 SOT-23-3 WITHOUT MASK 2 BAV99 LCSC SEMTECH C83868
8 100n C13,C2,C4 0805 3 0805B104J250 LCSC Walsin Tech Corp C163184
9 1M R4 0805 1 RC0805FR-071ML LCSC YAGEO C107700
10 100R R1 0805 1 RTT051000FTP LCSC RALEC C103902
11 4.7u C1,C3 0805 2 CL21A475KOFNNNE LCSC Samsung Electro-Mechanics C1746
12 47k R3 0805 1 WR08X4702FTL LCSC Walsin Tech Corp C164000
13 3k R2 0805 1 RTT05302JTP LCSC RALEC C104211
14 PTC, 750mA, 6V F1 0805 1 MF-PSMF075X-2 LCSC BOURNS C116173
15 ACH32C-104-T001 L1 FILTER-SMD_3P-L3.2-W1.6_ACH32C 1 ACH32C-104-T001 LCSC TDK C20540
16 MTS-102-C3 SW2 MTS-102-C3 1 NULL Ebay NULL MTS-102-C3
17 74LVC2G14DW-7 U2 SOT-363_L2.0-W1.3-P0.65-LS2.1-BR 1 74LVC2G14DW-7 LCSC Diodes Incorporated C362110
18 MTS-101/102-C3 SW1 MTS-102-C3 1 NULL Ebay NULL MTS-102-C3
19 LP5907MFX-3.3/NOPB U1 SOT-23-5 1 LP5907MFX-3.3/NOPB LCSC Texas Instruments C80670
20 GREEN LED1 LED-0805 1 NCD0805G1 LCSC Foshan NationStar Optoelectronics C84260
21 USB-B USB1 USB TYPE B 1 C46392 LCSC Jing Extension of the Electronic Co. C46392

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