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[DOC] Add BOM with some approx. prices

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Jannik Beyerstedt 2021-05-31 23:09:18 +02:00
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@ -48,6 +48,9 @@ This results in a signal flow like this: ![](docs/signal-flow.jpg)
- [x] First PCB layout (prototyping modules)
- [x] More testing/ validation
- [ ] Second PCB layout + casing prototype
* [x] Channel strip schematic and PCB design
* [x] Line I/O schematic and PCB design
* [ ] Power supply
- [ ] More testing/ validation
Help is always appreciated!
@ -115,7 +118,7 @@ For the first draft, we're using one LM386 audio power amplifier even though it
### VU Meter
When searching for VU meter circuits, many use the LM3916 LED bar graph driver, which already has the right scaling built in.
But this chip is obsolete and not produced any more, so we designed our own chain of comperators to drive a set of LEDs.
But this chip is obsolete and not produced any more, so we designed our own chain of comparators to drive a set of LEDs.
@ -256,75 +259,99 @@ Increasing the voltage by a factor of 10 is an amplification of 20 dB.
## BoM
Approximate prices in Euro.
All prices without VAT and for one piece unless otherwise noted, even if the BOM already asks for more.
So it's expected to get lower when ordering a full set for multiple units.
Connectors and Buttons (User Interface)
#### Line I/O Board Components
BOM for one PCB, needed 1x for whole assembly.
Electrolytic capacitors should have 25 V voltage rating, unless otherwise specified.
| Count | Manufacturer + Art. No. | Description | €/ pc.|
|-------|--------------------------|----------------------------------|-------|
| 1 | Neutrik NAC3 MPA-1 | Mains Power Input | 3.33 |
| 1 | Neutrik NCJ6FA-H | Line Input | 1.27 |
| 1 | Neutrik NC3MAAH | Line Output | 0.92 |
| 3x1 | Neutrik NC3FAAV2 | Headset Microphone Input | 1.10 |
| 3x1 | Rean NYS 216 G | Headphone Output | 0.93 |
| 3x1 | APEM 1415NC6 | Mute Button (red cap, snap-in) | 3.72 |
| 3x1 | APEM MHPS2273 | On-Air Button | 0.41 |
| 3x1 | APEM U4532 | On-Air Button black cap | 0.64 |
| 3x1 | Alps RK09K1130AJ3 | 10K log Mono Pot. (Gain) | 0.91 |
| 3x1 | Re'an F311 | Potentiometer Knob | 0.40 |
| 3x3 | Alps RK09K12C0A2S | 50K log Dual Pot. (Headset Mix) | 1.44 |
| 3x3 | Re'an P670 | Potentiometer Knob | 0.78 |
| 3x1 | Alps RK09K1110B1R | 50K log Mono Pot. (Headset Vol.) | 0.67 |
| 3x1 | Re'an F311 | Potentiometer Knob | 0.40 |
| 1 | Vishay M64{Y,Z}104 | 100K Trim Pot. | 0.95 |
| | | **SUM** | 53.99 |
| Count | Manufacturer + Art. No. | Description | €/ pc.| Distributor Order No.
|-------|---------------------------|-----------------------------------|-------|----------------------
| 1 | Neutrik NCJ6FA-H | Stage Line Input | 1.10 | Thomann 250931
| 1 | Neutrik NC3MAAH | Mix Line Output | 0.78 | Voelkner X39973
| 1 | PTSM 0,5/ 2-2,5-V THR | PCB Output | 0.50 | Mouser 651-1770953, DigiKey 277-2086-1-ND
| 1 | PTSM 0,5/ 3-2,5-H THR | PCB PowerSupply | 0.70 | Mouser 651-1770898, DigiKey 277-2080-1-ND
| 1 | PTSM 0,5/ 4-2,5-V THR | PCB Inputs | 0.80 | Mouser 651-1770979, DigiKey 277-2088-1-ND
| 1 | Vishay M64Y104 | 100K trim pot: Line input adj. | 0.83 | Reichelt VIS M64Y104KB40
| 2 | LM833N | Generic Op-Amp | 0.75 | Mouser 926-LM833N/NOPB, DigiKey 296-44419-5-ND
| 1 | DRV134PA | Line Driver | 4.75 | Mouser 595-DRV134PA, DigiKey DRV134PA-ND
| 3 | DIP-8 Socket | for LM833N, DRV134PA | 0.03 | Reichelt GS 8
| 1 | Cer. Cap. 22pF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.33 | DigiKey 399-9723-ND, Mouser TODO
| 1 | Cer. Cap. 47pF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.33 | DigiKey 399-C315C470K5G5TA-ND, Mouser TODO
| 1 | Cer. Cap. 220pF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.31 | DigiKey 399-9802-ND, Mouser TODO
| 4 | Cer. Cap. 100nF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.20 | DigiKey 399-4329-ND, Mouser TODO
| 2 | Cer. Cap. 1uF | C_Disc_D5.0mm_W2.5mm_P5.00mm | | (TODO: just use 100 nF or an el. cap.)
| 6 | 10K | Metal film resistor | 0.02 | Average price at 100 pcs
| 5 | 22K | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 3.3K | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 47K | Metal film resistor | 0.02 | Average price at 100 pcs
| | | **SUM** | 13.48 | (1uF calculated as 100nF)
Sub-Components
| Count | Manufacturer + Art. No. | Description | €/ pc.|
|-------|--------------------------|----------------------------------|-------|
| 1 | Traco Power TXL 035-1515D or TOP 60533 | Power Supply | ~48.00 |
#### Channel Strip Components
BOM for one PCB, needed 3x for whole assembly.
Electrolytic capacitors should have 25 V voltage rating, unless otherwise specified.
PCB Components: TODO when schematic is finished
| Count | Manufacturer + Art. No. | Description | €/ pc.|
|-------|--------------------------|----------------------------------|-------|
| 3 | NE5534 | Low-noise Op-Amp | 0.54 |
| 8 | LM833 | Generic Op-Amp | 0.88 |
| 3 | LM386N-4 | Audio Power Amp | 0.83 |
| 1 | DRV143 | Line Driver | 4.50 |
| TODO | TODO | El. Capacitor | TODO |
| TODO | TODO | Cer. Capacitor | TODO |
| TODO | TODO | Resistor | TODO |
| | | **SUM** | TODO |
VU Meter Components
| Count | Art. No. | Description | €/ pc.|
|-------|---------------------|---------------------|-------|
| 1 | Vishay M64{Y,Z}503 | 50K Trim Pot. | 0.95 |
| 1 | LM833 | Generic Op-Amp | 0.88 |
| 2 | 1N4148 | Signal Diode | 0.02 |
| 1 | 1k Metal Film | Resistor | TODO |
| 1 | 3.9k Metal Film | Resistor | TODO |
| 1 | 47 uF | El. Capacitor | TODO |
| 1 | 100k Metal Film | Resistor | TODO |
| 3 | LM339 | Quad-Ch. Comperator | 0.29 |
| 5 | 100 nF | Cer. Capacitor | TODO |
| 1 | 1 uF | El. Capacitor | TODO |
| 5 | Vishay TLHR 5404 | LED red | 0.18 |
| 4 | Vishay TLHY 5404 | LED yellow | 0.14 |
| 3 | Vishay TLHG 5404 | LED green | 0.17 |
| 12 | 390R | Resistor | TODO |
| 1 | 39R | Resistor | TODO |
| 2 | 68R | Resistor | TODO |
| 1 | 100R | Resistor | TODO |
| 1 | 150R | Resistor | TODO |
| 1 | 270R | Resistor | TODO |
| 1 | 390R | Resistor | TODO |
| 1 | 680R | Resistor | TODO |
| 1 | 1K | Resistor | TODO |
| 1 | 1.5K | Resistor | TODO |
| 2 | 2.7K | Resistor | TODO |
| 1 | 3.9K | Resistor | TODO |
| | | **SUM** | TODO |
| Count | Model or Art. No. | Description | €/ pc.| Distributor Order No.
|-------|---------------------------|-----------------------------------|-------|----------------------
| 1 | Neutrik NC3FAAH2 | Microphone Input | 0.93 | Mouser 568-NC3FAAH-2
| 1 | Rean NYS 216 or 216G | Headphone Output | 0.51 | Mouser 568-NYS216-U
| 1 | PTSM 0,5/ 2-2,5-H THR | PCB Output | 0.48 | DigiKey 277-2079-1-ND, Mouser 651-1770885
| 2 | PTSM 0,5/ 3-2,5-H THR | PCB Interconnect | 0.70 | DigiKey 277-2080-1-ND, Mouser 651-1770898
| 2 | PTSM 0,5/ 4-2,5-H THR | PCB PowerSupply | 0.80 | DigiKey 277-2081-1-ND, Mouser 651-1770908
| 1 | PTSM 0,5/ 4-2,5-H THR | PCB Inputs | 0.80 | DigiKey 277-2081-1-ND, Mouser 651-1770908
| 3 | Alps RK09K12C0A2S | 50K log. (dual, vert.) Heads. Mix | 1.44 | Mouser 688-RK09K12C0A2S
| 3 | Davies Molding 1101 | Potentiometer Knob f. Mix | 0.65 | Mouser 5164-1101, DigiKey 1722-1393-ND
| 1 | Alps RK09K1130AJ3 | 10K log. (single, vert.) Gain | 0.91 | Mouser 688-RK09K1130AJ3
| 1 | Re'an F311 | Potentiometer Knob f. Gain | 0.35 | Voelkner D18429
| 1 | Alps RK09K1110B1R | 50K log. (single, horiz.) Vol. | 0.67 | Mouser 688-RK09K1110B1R
| 1 | Re'an F311 | Potentiometer Knob f. Vol. | 0.35 | Voelkner D18429
| 1 | Vishay M64Y503 | 50K trim pot: VU meter adj. | 0.83 | Reichelt VIS M64Y503KB40
| 1 | APEM MHPS2273 | OnAir Switch | 0.41 | Mouser 642-MHPS2273, DigiKey 679-4050-ND
| 1 | APEM MH15 (alt. U4535) | On-Air Button yellow cap | 0.17 | Mouser 642-MH12
| 1 | APEM 1415NC6 | Mute Button (red cap, snap-in) | 3.87 | Mouser 642-1415NC6, DigiKey 679-3946-ND
| 1 | NE5534 | Low-noise Op-Amp | 0.46 | Reichelt NE 5534 DIP
| 1 | LM386N-4 | Audio Power Amp | 0.80 | Reichelt LM 386N-4 TEX
| 2 | LM833N | Generic Op-Amp | 0.75 | DigiKey 296-44419-5-ND, Mouser 926-LM833N/NOPB
| 4 | DIP-8 Socket | for NE5534, LM386N-4, LM833N | 0.03 | Reichelt GS 8
| 3 | LM339 | Quad Diff. Comparators | 0.26 | Reichelt LM 339 DIL, Mouser 595-LM339N, DigiKey 296-1393-5-ND
| 1 | DIP-14 Socket | for LM339 | 0.04 | Reichelt GS 14
| 1 | Cer. Cap. 22pF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.33 | DigiKey 399-9723-ND, Mouser TODO
| 1 | Cer. Cap. 47nF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.34 | DigiKey 399-14064-ND, Mouser TODO
| 11 | Cer. Cap. 100nF | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.20 | DigiKey 399-4329-ND, Mouser TODO
| 3 | El. Cap. 1uF | CP_Radial_D5.0mm_P2.00mm | TODO | TODO
| 2 | El. Cap. 1uF/ 63V, lowESR | CP_Radial_D5.0mm_P2.00mm | TODO | TODO
| 1 | El. Cap. 47uF | CP_Radial_D6.3mm_P2.50mm | TODO | TODO
| 4 | El. Cap. 100uF | CP_Radial_D6.3mm_P2.50mm | TODO | TODO
| 1 | El. Cap. 100uF/ 63V | CP_Radial_D10.0mm_P5.00mm | TODO | TODO
| 1 | El. Cap. 220uF, lowESR | CP_Radial_D6.3mm_P2.50mm | TODO | TODO
| 3 | Vishay TLHG5405 | LED 5mm, green | 0.14 | Reichelt VIS TLHG 5405
| 4 | Vishay TLHY5405 | LED 5mm, yellow | 0.21 | Reichelt VIS TLHY 5405
| 5 | Vishay TLHR5405 | LED 5mm, red | 0.16 | Reichelt VIS TLHR 5405
| 1 | Vishay TLHR5405 | LED 5mm, On-Air (red) | 0.16 | Reichelt VIS TLHR 5405
| 6 | 1N4148 | Signal Diode | 0.02 | Reichelt 1N 4148, DigiKey 1N4148FS-ND, Mouser 512-1N4148
| 5 | 22K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 330K 1% | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 56R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 27K 1% | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 330R | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 680R 1% | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 820R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 330K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 1K 1% | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 12R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 2.2K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 3.9K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 1K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 68R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 39R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 100R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 150R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 270R | Metal film resistor | 0.02 | Average price at 100 pcs
| 14 | 390R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 680R | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 1.5K | Metal film resistor | 0.02 | Average price at 100 pcs
| 2 | 2.7K | Metal film resistor | 0.02 | Average price at 100 pcs
| 1 | 100K | Metal film resistor | 0.02 | Average price at 100 pcs
| | | **SUM** | 29.40 | (without CP for now)

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