Ensemble II VHF RX designations
Component Designations By Stage
This page provides a list of component designations (e.g., R1, C1, L1, etc.) and the stage in which the component appears under the designation.
The page is sorted by stage, then by component. To find a component by its designation, just use your browser's "FIND ON PAGE" function.
| Designation | Component | Stage |
|---|---|---|
| mtg_hdw | 4 X #4-40 hdw (nut, bolt, washer, spacer) (HDW) | Power Supply |
| C05 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | Power Supply |
| C06 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | Power Supply |
| J03 | DC Power Jack PCB Mount (rt-angle) (Jack-RA) | Power Supply |
| P1 | DC Power Plug 5.5/2.1mm Pos Ctr (Plug) | Power Supply |
| D03 | 1N4003 (Axial) - 1N4003 | Power Supply |
| U06 | LM78L05 voltage regulator (TO-92) - LM78L05 | Power Supply |
| PCB | Ensemble RX PCB (board) (Main Board) | Power Supply |
| R11 | 68 1/6W 5% (1/6W) - bl-gry-blk-gld | Power Supply |
| /QSD EN | shunt wire (cut-off lead) (Cutoff) | Power Supply |
| Cbl2 | Power-Leads for 12V (User-Supplied) | Power Supply |
| Cbl1 | USB-A to USB-B Cable (User-Supplied) | USB Power Supply |
| C01 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | USB Power Supply |
| C02 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | USB Power Supply |
| C31 | 0.1 uF (SMT 1206) - (smt) black stripe | USB Power Supply |
| C32 | 0.1 uF (SMT 1206) - (smt) black stripe | USB Power Supply |
| J01 | USB-B pcb jack (rt-angle) (Jack-RA) | USB Power Supply |
| U02 | LP2992AIM5-3.3V regulator (SOT-23-5) - LFEA | USB Power Supply |
| C03 | 0.01 uF (Ceramic) - 103 | Local Oscillator/Control |
| C04 | 0.01 uF (Ceramic) - 103 | Local Oscillator/Control |
| C30 | 0.1 uF (SMT 1206) - (smt) black stripe | Local Oscillator/Control |
| C33 | 0.1 uF (SMT 1206) - (smt) black stripe | Local Oscillator/Control |
| C34 | 0.1 uF (SMT 1206) - (smt) black stripe | Local Oscillator/Control |
| C35 | 0.1 uF (SMT 1206) - (smt) black stripe | Local Oscillator/Control |
| D01 | BZX55C3V3 3.3V zener diode (Axial) - BZX55C | Local Oscillator/Control |
| D02 | BZX55C3V3 3.3V zener diode (Axial) - BZX55C | Local Oscillator/Control |
| U01 | ATtiny 85-20 PU w/V15.12 Firmware (DIP 8) - AVR ATTINY85-20PU | Local Oscillator/Control |
| U04 | LTV-817 Opto-Isolator (DIP-4) - LTV 817 | Local Oscillator/Control |
| U03 | Si570 Programmable Oscillator (I2C) - SiLabs 570 | Local Oscillator/Control |
| T01-core | BN-43-2402 (no markings!) (Binocular core) - none | Local Oscillator/Control |
| T01 | 2T Bifilar #30 (4") on BN-43-2402 (Xfrmr) | Local Oscillator/Control |
| R01 | 68 1/6W 5% (1/6W) - bl-gry-blk-gld | Local Oscillator/Control |
| R02 | 68 1/6W 5% (1/6W) - bl-gry-blk-gld | Local Oscillator/Control |
| R03 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R05 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R06 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R07 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R08 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R28 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | Local Oscillator/Control |
| R04 | 1 M 1/6W 5% (1/6W) - brn-blk-grn-gld | Local Oscillator/Control |
| SO1 | 8 pin dip socket (Socket) | Local Oscillator/Control |
| magwire30_8in | Magnetic Wire, enameled #30 (Magnetic) | Local Oscillator/Control |
| C36 | 0.1 uF (SMT 1206) - (smt) black stripe | Quadrature Clock Generator |
| U05 | 74AC74 Dual D FF (SOIC-14) - 74AC74 | Quadrature Clock Generator |
| R09 | 10 k 1/6W 5% (1/6W) - brn-blk-ora-gld | Quadrature Clock Generator |
| R10 | 10 k 1/6W 5% (1/6W) - brn-blk-ora-gld | Quadrature Clock Generator |
| C07 | 6m: trimmer capacitor 30 pF (Trimmer - green) 4m: trimmer capacitor 30 pF (Trimmer - green) 2m: trimmer capacitor 10 pF (Trimmer - white) | RF Front End |
| C11 | 6m: 2.7 pF (Ceramic - 2.7J) 4m: 2.2 pF (Ceramic - 2.2) 2m: 1.2 pF (Ceramic - 1A) | RF Front End |
| C13 | 6m: 150 pF 5% (Ceramic - 151 (may be blue or tan)) 4m: 120 pF 5% (Ceramic - 121) 2m: 100 pF 5% (Ceramic - 101) | RF Front End |
| C15 | 6m: 180 pF 5% (Ceramic - 181) 4m: 82 pF (Ceramic - 82J) 2m: 82 pF (Ceramic - 82J) | RF Front End |
| C16 | 6m: 220 pF 5% (Ceramic - 221) 4m: 270 pF 5% (Ceramic - 271) 2m: 270 pF 5% (Ceramic - 271) | RF Front End |
| L01 | 6m: 0.35uH 11T #26 on T25-6(yellow) (7") (Coil - yellow) 4m: 0.25 uH 9T #26 on T30-6 (yellow) (6") (Coil - yellow) 2m: 0.08uH 6T #26 on T25-12(green) (5") (Coil - green) | RF Front End |
| L01_core | 6m: T25-6 toroid core (Toroid - yellow) 4m: T25-6 toroid core (Toroid - yellow) 2m: T25-12 toroid core (Toroid - green) | RF Front End |
| L02 | 6m: 0.35uH 11T #26 on T25-6(yellow) (7") (Coil - yellow) 4m: 0.25 uH 9T #26 on T30-6 (yellow) (6") (Coil - yellow) 2m: 0.06 5T #26 on T25-12(green) (4") (Coil - green) | RF Front End |
| L02_core | 6m: T25-6 toroid core (Toroid - yellow) 4m: T25-6 toroid core (Toroid - yellow) 2m: T25-12 toroid core (Toroid - green) | RF Front End |
| L03 | 6m: 0.35uH 11T #26 on T25-6(yellow) (7") (Coil - yellow) 4m: 0.25 uH 9T #26 on T30-6 (yellow) (6") (Coil - yellow) 2m: 0.06 5T #26 on T25-12(green) (4") (Coil - green) | RF Front End |
| L03_core | 6m: T25-6 toroid core (Toroid - yellow) 4m: T25-6 toroid core (Toroid - yellow) 2m: T25-12 toroid core (Toroid - green) | RF Front End |
| L04 | 6m: 0.78 uH 17T #30 on T25-6 (yellow) (8") (Coil - yellow) 4m: 0.53 uH 14T #30 on T25-6 (10") (Coil - yellow) 2m: 0.53 uH 14T #30 on T25-6 (10") (Coil - yellow) | RF Front End |
| L04_core | 6m: T25-6 toroid core (Toroid - yellow) 4m: T25-6 toroid core (Toroid - yellow) 2m: T25-6 toroid core (Toroid - yellow) | RF Front End |
| T02 | 6m: 0.53 uH 14T/2x7 bifilar #30 on T25-6(yellow) (8") (Xfrmr - yellow) 4m: 0.13uH 7T/2x4 bifilar #30 on T25-6(yellow) (6") (Xfrmr - yellow) 2m: 0.13uH 7T/2x4 bifilar #30 on T25-6(yellow) (6") (Xfrmr - yellow) | RF Front End |
| T02-core | 6m: T25-6 toroid core (Toroid - yellow) 4m: T25-6 toroid core (Toroid - yellow) 2m: T25-6 toroid core (Toroid - yellow) | RF Front End |
| C09 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | RF Front End |
| C38 | 0.01 uF (SMT 1206) - (smt) | RF Front End |
| C40 | 0.01 uF (SMT 1206) - (smt) | RF Front End |
| C37 | 0.1 uF (SMT 1206) - (smt) black stripe | RF Front End |
| C39 | 0.1 uF (SMT 1206) - (smt) black stripe | RF Front End |
| C41 | 0.1 uF (SMT 1206) - (smt) black stripe | RF Front End |
| C42 | 0.1 uF (SMT 1206) - (smt) black stripe | RF Front End |
| C08 | trimmer capacitor 30 pF (Trimmer) - green | RF Front End |
| C10 | trimmer capacitor 30 pF (Trimmer) - green | RF Front End |
| C12 | trimmer capacitor 30 pF (Trimmer) - green | RF Front End |
| C14 | unused capacitor (Unused) | RF Front End |
| J04 | BNC Connector Male - PCB mount (Jack) | RF Front End |
| D04 | 1N5227B (Axial) - 1N5227B | RF Front End |
| U07 | ADM +DB Double-balanced Mixer (SMT Mixer) - ADE | RF Front End |
| L05 | unused inductor (Coil) | RF Front End |
| L05_core | unused inductor (Coil) | RF Front End |
| R13 | 33 1/6W 5% (1/6W) - ora-ora-blk-gld | RF Front End |
| R27 | 47 1/6W 5% (1/6W) - yel-vio-blk-gld | RF Front End |
| R14 | 120 1/6W 5% (1/6W) - brn-red-brn-gld | RF Front End |
| R15 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | RF Front End |
| R18 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | RF Front End |
| R19 | 2.2k 1/6W 5% (1/6W) - red-red-red-gld | RF Front End |
| R12 | 10 k 1/6W 5% (1/6W) - brn-blk-ora-gld | RF Front End |
| Q01 | BF991 SMT Dual-Gate MOSFET (SOT-143) | RF Front End |
| Magwire26_31in | Magnetic Wire, enameled #26 (Magnetic) | RF Front End |
| magwire30_40in | Magnetic Wire, enameled #30 (Magnetic) | RF Front End |
| C17 | 0.047 uF 5% (Ceramic) - 473 | Quadrature Sampling Detector |
| C18 | 0.047 uF 5% (Ceramic) - 473 | Quadrature Sampling Detector |
| C43 | 0.1 uF (SMT 1206) - (smt) black stripe | Quadrature Sampling Detector |
| C44 | 0.1 uF (SMT 1206) - (smt) black stripe | Quadrature Sampling Detector |
| U08 | FST3253 mux/demux switch (SOIC-16) - FST3253 | Quadrature Sampling Detector |
| R16 | 10 ohm 1/4W 1% (1/4W) - br-blk-blk-gld-br | Quadrature Sampling Detector |
| R17 | 10 ohm 1/4W 1% (1/4W) - br-blk-blk-gld-br | Quadrature Sampling Detector |
| R21 | 10 ohm 1/4W 1% (1/4W) - br-blk-blk-gld-br | Quadrature Sampling Detector |
| R22 | 10 ohm 1/4W 1% (1/4W) - br-blk-blk-gld-br | Quadrature Sampling Detector |
| R20 | 10 k 1/6W 5% (1/6W) - brn-blk-ora-gld | Quadrature Sampling Detector |
| C20 | 390 pF 5% (Ceramic) - 391 | Operational Amplifiers |
| C21 | 390 pF 5% (Ceramic) - 391 | Operational Amplifiers |
| C19 | 4.7 uF 10% 16V X7R RAD (Ceramic) - 475 | Operational Amplifiers |
| C45 | 0.1 uF (SMT 1206) - (smt) black stripe | Operational Amplifiers |
| C46 | 0.1 uF (SMT 1206) - (smt) black stripe | Operational Amplifiers |
| C47 | 0.1 uF (SMT 1206) - (smt) black stripe | Operational Amplifiers |
| J02 | 3.5mm stereo jack - PCB mount (rt-angle) (Jack-RA) | Operational Amplifiers |
| U09 | LT6231 dual op-amp (SOIC-8) - LT6231 | Operational Amplifiers |
| R23 | 4.99 k 1/4W 1% (1/4W) - y-w-w-br-br | Operational Amplifiers |
| R24 | 4.99 k 1/4W 1% (1/4W) - y-w-w-br-br | Operational Amplifiers |
| R25 | 120 1/6W 5% (1/6W) - brn-red-brn-gld | Operational Amplifiers |
| R26 | 120 1/6W 5% (1/6W) - brn-red-brn-gld | Operational Amplifiers |
| Rb | 10 k Test Resistor (User-Supplied) | Operational Amplifiers |
| JP1A | shunt wire (cut-off lead) (Cutoff) | Operational Amplifiers |
| JP1B | shunt wire (cut-off lead) (Cutoff) | Operational Amplifiers |
| Ant | VHF Antenna (User-Supplied) | External Connections |
| Cbl3 | 1/8" M-M Stereo Audio Shld Cable (User-Supplied) | External Connections |
| Cbl4 | Antenna Cable w/BNC (User-Supplied) | External Connections |