xmit
tdunning
A simple low-power digital transmitter for amateur bands using new components
Components (26)
| Reference | Value | Description |
|---|---|---|
| U1 | 74LVC2G157 | Single 2 to 1 Multiplexer, Low-Voltage CMOS |
| U10 | LT5560 | 0.01MHz to 4GHz Low Power Active Mixer, DFN-8 |
| U20 | SN74CBT3253 | Dual 1 to 4 Analog Multiplexer |
| U30,U31 | 74LVC1G66 | |
| U40 | OPA2356AIDR | Dual High Speed CMOS Operational Amplifiers, SOIC-8 |
| U50 | TPS7A2042PDBVRG4 | 300mA, Ultra-Low-Noise, Low-IQ, High PSRR LDO |
| U51 | TPS7A2033PDBVRG4 | 300mA, Ultra-Low-Noise, Low-IQ, High PSRR LDO |
| C1,C12,C50-C53 | 1µF | Unpolarized capacitor |
| C10,C11 | 220pF | NP0/C0G |
| C20,C21,C30,C31 | 33pF | NP0/C0G |
| C40,C41,C44,C45 | 1nF | NP0/C0G |
| C42,C43 | 47pF | NP0/C0G |
| C46 | 10nF | NP0/C0G |
| J1,J10 | SMA | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J40 | Conn_01x02_Pin | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L10,L11 | 100nH | Inductor |
| L40,L41 | 4.7µH | IMC0805ER4R7J01 |
| L50 | 1 µH | IMC0805ER4R7J01 |
| R1,R10,R12 | 100R | Resistor |
| R2,R3,R11 | 50R | Resistor |
| R13,R14 | 330R | Resistor |
| R15,R16,R20,R21,R30,R31 | 0R | Resistor |
| R22,R23,R44-R47 | 10k | Resistor |
| R40,R41 | 1k | Resistor |
| R42,R43 | 10R | Resistor |
| TP40 | Output | test point |