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PA3AEF
Homebrew tracking generator for base-band, 6cm, 3cm and 12mm bands
| Reference | Value | Description |
|---|---|---|
| Q1,Q6,Q11,Q12 | ZXMP4A16G | -6.4A Id, -40V Vds, P-Channel MOSFET, SOT-223 |
| Q2-Q4,Q7-Q9,Q13-Q17,Q19,Q21,Q22 | MMBTA14 | 0.5A Ic, 80V Vce, general purpose NPN |
| Q5,Q10,Q18,Q20 | BC857C | Bipolar transistor symbol for simulation only, substrate tied to the emitter |
| Q23 | BC857 | 0.1A Ic, 45V Vce, PNP Transistor, SOT-23 |
| U6 | LM7805_TO220 | Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-220 |
| U7 | OPA1679 | Quad SoundPlus High Performance, Bipolar-Input Audio Operational Amplifiers, SOIC-14/TSSOP-14 |
| A1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 |
| C1,C3-C7,C9,C10,C14,C16-C18 | 100nF | Unpolarized capacitor |
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| C2 | 330nF | Unpolarized capacitor |
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| C8 | 10uF | Unpolarized capacitor |
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| C11 | 1pF | Unpolarized capacitor |
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| C12 | 1nF | Unpolarized capacitor |
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| C13 | 22uF | Unpolarized capacitor |
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| C15 | 1uF | Unpolarized capacitor |
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| D1-D5 | LED_Dual_RG | Dual LED, common cathode on pin 3 |
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| D6 | 1N4001 | 50V 1A General Purpose Rectifier Diode, DO-41 |
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| D7 | LED | Light emitting diode |
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| D8 | BAT54S | Vr 30V, If 200mA, Dual schottky barrier diode, in series, SOT-323 |
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| J1,J5,J10,J12,J17 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2 | SCREW_TERMINAL | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3,J7,J11,J13-J16,J22 | Conn_01x03 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J4,J6,J8,J9 | Conn_02x05_Odd_Even | Generic connector, double row, 02x05, 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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| J18-J21,J23 | Conn_Coaxial | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
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| R1,R5,R7-R9,R14,R17,R19-R21,R24,R27,R30,R31,R34-R38,R40,R48,R50,R56,R59,R60 | 10K | Resistor |
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| R2,R3,R15,R16,R25,R26,R28,R29 | ** | Resistor |
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| R4,R61,R62 | 3K3 | Resistor |
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| R6,R10,R11,R18,R22,R23,R32,R33,R39,R41-R43 | 100K | Resistor |
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| R12,R13 | 0R | Resistor |
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| R44,R47,R52,R57,R63,R65,R67,R68 | 100R | Resistor |
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| R45 | 22K | Resistor |
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| R46 | 1K | Resistor |
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| R49 | 3k3 | Resistor |
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| R51 | 8k2 | Resistor |
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| R53 | 47K | Resistor |
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| R54,R55,R58,R64,R66 | 49R9 | Resistor |
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| SW1 | Band Select |
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| TP1 | 5V | test point |
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