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Vtechcode
| Reference | Value | Description |
|---|---|---|
| Q1-Q3 | NPN | Bipolar transistor symbol for simulation only, substrate tied to the emitter |
| U1 | STM32F103C8Tx | STMicroelectronics Arm Cortex-M3 MCU, 64KB flash, 20KB RAM, 72 MHz, 2.0-3.6V, 37 GPIO, LQFP48 |
| U2 | SIM7600E | |
| U3 | LM1117DT-3.3 | 800mA Low-Dropout Linear Regulator, 3.3V fixed output, TO-252 |
| U4 | TXB0108RGY | 8-Bit Bidirectional Voltage-Level Translator, Auto Direction Sensing and ±15-kV ESD Protection, 1.2 - 3.6V APort, 1.65 - 5.5V BPort, VQFN-20 |
| C1,C16,C17 | 100nF | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C2-C7 | 10nF | Unpolarized capacitor, small symbol |
| C8,C9 | 10pF | Unpolarized capacitor, small symbol |
| C10,C22-C24 | 0.1uF | Unpolarized capacitor, small symbol |
| C11,C12 | 10uF | Polarized capacitor, small US symbol |
| C13 | 1uF | Unpolarized capacitor |
| C14,C15 | 100uF | Polarized capacitor, small US symbol |
| C25-C27 | 22pF | Unpolarized capacitor, small symbol |
| C28-C32 | C_Small | Unpolarized capacitor, small symbol |
| C33 | 33pF | Unpolarized capacitor, small symbol |
| D1,D2,D5,D12 | LED | Light emitting diode |
| D3,D6,D13,D14 | ESD9B3.3ST5G | ESD protection diode, 3.3Vrwm, SOD-923 |
| D4 | D_TVS | Bidirectional transient-voltage-suppression diode |
| D8-D11 | ESD5Zxx | ESD Protection Diode, SOD-523 |
| FB1 | FerriteBead | Ferrite bead |
| FB2 | FerriteBead_Small | Ferrite bead, small symbol |
| J1 | USB_B_Micro | USB Micro Type B connector |
| J2 | SIM7100-6-1-15-00-A_REVC2 | |
| J3-J5 | CONUFL001-SMD-T | |
| L1,L2 | L | Inductor |
| L3 | 47nH | Inductor |
| R1-R3,R6 | 1.5K | Resistor |
| R4,R7,R19 | 4.7K | Resistor |
| R5,R8-R15,R20,R21,R27 | 47K | Resistor |
| R16-R18 | 22R | Resistor |
| R22-R25 | 0R | Resistor, small symbol |
| R26 | 10R | Resistor, small symbol |
| SW1,SW3 | SW_Push | Push button switch, generic, two pins |
| SW2 | SW_Push_SPDT | Momentary Switch, single pole double throw |
| Y1 | 8MHz | Four pin crystal, GND on pins 2 and 3, small symbol |