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open-headset-interconnect-standard
An open-source OHIS Radio Adapter.
| Reference | Value | Description |
|---|---|---|
| U1 | LM78M05_TO252 | Positive 500mA 35V Linear Regulator, Fixed Output 5V, TO-252 (D-PAK) |
| U2 | LP5907MFX-2.5 | 250-mA Ultra-Low-Noise Low-IQ LDO, 2.5V, SOT-23 |
| U3 | LM4808 | Dual operational amplifier |
| U4 | NJM4580 | Dual operational amplifier |
| U5 | LTV-217-B-G | DC Optocoupler, Vce 80V, CTR 50%, SO-4 |
| C1,C3,C4,C37,C39,C49,C50,C54 | 0.1uF | Unpolarized capacitor, small symbol |
| C2 | 0.33uF | Unpolarized capacitor, small symbol |
| C5,C7,C9,C41,C53,C56 | 47uF | Polarized capacitor, small symbol |
| C6,C8,C38,C40,C45,C46,C51,C52,C55 | 1uF | Unpolarized capacitor, small symbol |
| C10-C25,C27-C33,C42,C43,C57,C58 |
| 100pF |
| Unpolarized capacitor, small symbol |
| C26,C34 | 470uF | Polarized capacitor, small symbol |
|---|
| C35,C36,C44,C47,C59,C60 | 330pF | Unpolarized capacitor, small symbol |
|---|
| C48 | 10uF | Unpolarized capacitor, small symbol |
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| D1 | SS34 | Diode, small symbol |
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| D2 | Green LED | Light emitting diode, small symbol |
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| F1 | 0.5A | Fuse, small symbol |
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| F2 | 200mA | Fuse, small symbol |
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| FB1-FB29 | RF Choke | Ferrite bead, small symbol |
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| J2 | OHIS Radio Port | RJ connector, 8P8C (8 positions 8 connected), two LEDs, RJ45, Shielded |
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| J3 | Radio Mic RJ45 | RJ connector, 8P8C (8 positions 8 connected), two LEDs, Shielded |
|---|
| J4 | Mic Pinout Config | Generic connector, double row, 02x08, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J5 | GX16 Riser | Generic connector, single row, 01x09, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J6 | Radio Mic 3.5mm | Audio Jack, 4 Poles (Stereo / TRRS), Switched TR1R2S Poles (Normalling) |
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| J7,J11 | CTIA/Headphones | Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J8 | Radio Headphone/Speaker Front | Audio Jack, 4 Poles (Stereo / TRRS), Switched TR1R2S Poles (Normalling) |
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| J10 | Radio Headphone/Speaker Rear | Audio Jack, 4 Poles (Stereo / TRRS), Switched TR1R2S Poles (Normalling) |
|---|
| R1,R2,R11-R14,R20-R23,RV1-RV3 | 1k | Potentiometer,Resistor, small symbol |
|---|
| R3,R4,R19 | 100R | Resistor, small symbol |
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| R5,R7,R8,R10,R15,R17,R24,R26 | 10k | Resistor, small symbol |
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| R6,R9,R16,R18,R25,R27 | 33k | Resistor, small symbol |
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| R28,R29 | 0R | Resistor, small symbol |
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| T1 | HP Left Transformer | Audio transformer |
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| T2 | HP Right Transformer | Audio transformer |
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| T3 | Mic Transformer | Audio transformer |
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| TP1 | +12v | test point |
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| TP2 | +5v | test point |
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| TP3 | +2.5v | test point |
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| TP4 | GND | test point |
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