Jammer_Front_End
adrianiaz
Design of a switched and tunable RF preselector that selects bands within 2-18 GHz for direct-sampling receiver applications.. The design allows bypassing of signals outside the 2-18Ghz frequency span for external preselection for those frequencies.
Components (50)
| Reference | Value | Description |
|---|---|---|
| IC1 | CMD317C4 | 1-24 GHz Distributed Driver Amplifier |
| IC2 | SN74LVC1G04DBVR | Single Inverter |
| IC3 | LT8336EV#PBF | 40V, 2.5A, Low IQ Synchronous Step-Up Silent Switcher with PassThru |
| U1,U4 | ADRF5026BCCZN | |
| U2 | RFSA2113 | |
| U3 | ADMV8818SCCZ-EP | |
| U5 | ADP7156ACPZ-3.3-R7 | |
| U6 | ADP7156ACPZ-2.5-R7 | |
| U7 | ADP7183ACPZN2.5-R7 | |
| U8 | LM27761 | low-noise regulated switched-capacitor voltage inverter with 2.7V-5.5V input to -1.5 to -5V Output Voltage, WSON-8 |
| C1,C2,C13,C17-C19,C23,C24 | 100pF | Unpolarized capacitor |
| C3 | 56 pF | Unpolarized capacitor |
| C4,C7,C10,C44,C45 | 1000pF | Unpolarized capacitor |
| C5,C62 | DNP | Unpolarized capacitor |
| C6,C30,C31,C33,C41,C43,C47,C48,C50,C51,C53,C57,C59 | 1uF | Unpolarized capacitor |
| C8,C40,C42 | 10pF | Unpolarized capacitor |
| C9,C14 | 33 pF | Unpolarized capacitor |
| C11,C12 | 0.33uF | Polarized capacitor |
| C15,C16,C20-C22,C25,C26,C37,C39,C56 | 0.1uF | Unpolarized capacitor,Unpolarized capacitor X7R |
| C27 | 4.7pF | X7R |
| C28,C29,C32,C36,C38,C46,C49,C55 | 10uF | Unpolarized capacitor,Unpolarized capacitor X7R,X7R |
| C34,C35 | 47uF | Polarized capacitor |
| C52,C54,C58,C60 | 4.7uF | Unpolarized capacitor |
| C61 | 2.2uF | Unpolarized capacitor |
| D1 | Comchip SS14-HF | Schottky diode |
| FB1,FB2 | FerriteBead | WURTH ELEKTRONIK 742792040 Ferrite Bead |
| J1,J2,J5,J6 | SF1521-60115-1S | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J3 | Conn_01x03_Pin | Generic connector, single row, 01x03, script generated |
| J4 | Conn_01x06_Pin | Generic connector, single row, 01x06, script generated |
| J7 | Conn_01x02_Pin | Generic connector, single row, 01x02, script generated |
| L1 | 4.7uH | XFL4020-472MEC |
| L2 | 0.47uH | WURTH ELEKTRONIK 74479299147 |
| R1,R9 | 1k | Resistor |
| R2-R4 | 0R | Resistor |
| R5-R8 | 33 | Resistor |
| R10,R14,R16 | 100k | Resistor |
| R11 | 698k | Resistor |
| R12 | 102k | Resistor |
| R13 | 100K | Resistor |
| R15 | 174k | Resistor |
| S1 | B3S-1000 | Sealed Tactile Switch (SMT), 6mm Square, Seal Type, Without Ground Terminal, Height 4.3mm, OF: 1.57N |
| TP1 | TestPoint_RFSA_EN | test point |
| TP2 | TestPoint_VC | test point |
| TP3 | TestPoint_RFSA_VDD | test point |
| TP4 | TestPoint_8V | test point |
| TP5 | TestPoint_PG8V | test point |
| TP6 | TestPoint_3V3 | test point |
| TP7 | TestPoint_2V5 | test point |
| TP8 | TestPoint_N2V5 | test point |
| TP9 | TestPoint_N3V5 | test point |