This is the Bill of Materials for the N1KDO Band Selector.
All the parts -- except the circuit boards -- were ordered from Mouser.com.
The circuit boards came from Oshpark.com.
Costs are approximate, they were checked 2025-01-05.
| id | desc | mfg | part | qty | price | ext |
|---|---|---|---|---|---|---|
| C1 | 1 uF 35 V tantalum | Vishay | 199D105X9035A2B1E3 | 1 | 1.76 | 1.76 |
| J1 | 1x16 right angle sip connector | Molex | 22-28-8160 | 1 | 1.40 | 1.40 |
| R1 | Carbon Film Resistors - Through Hole 1/4W 220 Ohm 5% | Yageo | CFR-25JB-52-220R | 1 | 0.10 | 0.10 |
| RV1 | 10K ohm trim pot | Amphenol Piher | N6-L50T0C-103 | 1 | 0.72 | 0.72 |
| SW1, 2, 3, 4 | Tactile Pushbutton | Same Sky | TS02-66-130-BK-100-LCR-D | 4 | 0.14 | 0.56 |
| U1 | 2x20 backit LCD display 3.3 volt | New Haven Display | NHD-0220FZ-FSW-GBW-P-33V3 | 1 | 12.66 | 12.66 |
| PCB | N1KDO Display Board PCB V 0.0.4 | Oshpark | 1 | 7.30 | 7.30 | |
| Total | 24.50 |
| id | desc | mfg | part | qty | price | ext |
|---|---|---|---|---|---|---|
| C1,C2,C3,C4,C5,C7 | 50V 0.1uF X7R 10% LS =2.54mm | KEMET | C320C104K5R5TA | 6 | 0.17 | 1.02 |
| C6 | (DNP) 50V 0.1uF X7R 10% LS =2.54mm | KEMET | C320C104K5R5TA | 1 | 0.17 | 0.00 |
| C8 | Aluminum Electrolytic Capacitors - Radial Leaded 220uF 25V | Panasonic | ECA-1EM221 | 1 | 0.28 | 0.28 |
| C9,C10 | Aluminum Electrolytic Capacitors - Radial Leaded 2.2uF 50volts AEC-Q200 | Panasonic | EEU-FC1H2R2H | 2 | 0.24 | 0.48 |
| D1,D2,D3,D4,D7 | Schottky Diodes & Rectifiers 200mA 30 Volt | STMicroelectronics | BAT43 | 5 | 0.17 | 0.85 |
| D5 | Schottky Diodes & Rectifiers Vr/40V Io/1A | STMicroelectronics | 1N5819 | 1 | 0.21 | 0.42 |
| D6 | (DNP) Schottky Diodes & Rectifiers 200mA 30 Volt | STMicroelectronics | BAT43 | 1 | 0.17 | 0.00 |
| D8 | Rectifiers Diode, DO-41, 100V, 1A | Diotec | 1N4002 | 1 | 0.06 | 0.06 |
| D9 | Standard LEDs - Through Hole Green Diffused | Lite-On | LTL-4231N | 1 | 0.13 | 0.13 |
| D10 | Standard LEDs - Through Hole Red Diffused | Lite-On | LTL-4221N | 1 | 0.19 | 0.16 |
| F1 | Resettable Fuses - PPTC .9A 30V 100A Imax | LittelFuse | RUEF090 | 1 | 0.61 | 0.61 |
| J1 | D-Sub High Density Connectors 15P MALE R/A PIN UNC 4-40 CLINCH NUTS | Amphenol FCI | 10090926-P154XLF | 1 | 1.65 | 1.65 |
| J2 | DC Power Connectors RT ANGL PWK JK PIN D | Switchcraft | RAPC722X | 1 | 2.21 | 2.21 |
| J3 | Board to Board & Mezzanine Connectors 16P VRT SR RECEPT MATTE TIN | Amphenol FCI | 75915-416LF | 1 | 2.41 | 2.41 |
| L1,L2,L3,L4,L5,L6 | RF Inductors - Leaded RF CHOKE 100uH 5% CONFORMAL COATED | Bourns | 78F101J-TR-RC | 6 | 0.18 | 1.08 |
| L7 | (DNP) RF Inductors - Leaded RF CHOKE 100uH 5% CONFORMAL COATED | Bourns | 78F101J-TR-RC | 0 | 0.18 | 0.00 |
| Q1,Q2 | MOSFETs Small Signal MOSFET 60V 200mA 5 Ohm Single N-Channel TO-92 | onsemi / Fairchild | 2N7000 | 2 | 0.38 | 0.76 |
| R1,R8 | Carbon Film Resistors - Through Hole 1/4W 100 Ohm 5% | Yageo | CFR-25JB-52-100R | 2 | 0.04 | 0.08 |
| R2,R3,R4,R5,R6,R9 | Carbon Film Resistors - Through Hole 1/4W 10K Ohm 5% | Yageo | CFR-25JB-52-10K | 6 | 0.02 | 0.10 |
| R10 | Carbon Film Resistors - Through Hole 1/4W 330 Ohm 5% | Yageo | CFR-25JB-52-330R | 1 | 0.02 | 0.02 |
| R11 | Carbon Film Resistors - Through Hole 1/4W 470 Ohm 5% | Yageo | CFR-25JB-52-470R | 1 | 0.02 | 0.02 |
| U1 | Single Board Computers Raspberry Pi Pico W | Raspberry Pi | SC0918 | 1 | 6.00 | 6.00 |
| U2 | Linear Voltage Regulators 5.0V 1.5A Positive | STMicroelectronics | L7805CV | 1 | 0.48 | 0.48 |
| PCB | N1KDO Band Selector Board PCB V 0.0.4 | Oshpark | 1 | 21.20 | 21.20 | |
| Enclosure | Enclosures, Boxes, & Cases FR ABS w/Flanged Lid 7.6x4.4x2.2" Black | Hammond Manufacturing | 1591XXEFLBK | 1 | 12.89 | 12.89 |
| Total | 52.91 |
Total Band Selector approximate cost about $77/radio. (24.50 + 52.91)
n1kdo 20250105