Components List For All Versions Of The Solid State Regenerative Receivers
Components List For 1 Transistor Regenerative Receiver
Resistors 1/4 Watt Cracked Carbon.
R1 100K Brown Black Yellow.
R2 R3 R4 R5 2K2 Red Red Red.
R6 10K Brown Black Orange.
R7 100R Brown Black Brown.
RV1 10K Lin Potentiometer.
RV2 47K Log Potentiometer.
Capacitors
C1 C4 100PF Ceramic Disc. Code 101.
C2 C3 1000PF Ceramic Disc. Code 102.
C5 C6 C10 100NF Ceramic Disc. Code 104.
C8 47NF Ceramic Disc. Code 473.
C9 NB Mistaken in circuit diagram as 47NF and the correct value is 4.7NF Ceramic Disc. Code 472.
C10B NB Mistaken for a duplicate C10 in the circuit diagram and the value is a 220uf 25V Electrolytic Capacitor, For the amplifier speaker output coupling capacitor.
C11 1000uf 25V Electrolytic Capacitor.
C7 100uf 25V Electrolytic Capacitor.
TC1 Short Antenna Trimmer 22 or 65 PF available from the following link Maplin Electronics
VC1 Tuning Capacitor 365PF available from the following link 6V6 Vintage Radio & Audio Components
Semiconductors
TR1 2N3819 Single Channel FET Transistor.
IC1 LM380N Audio IC.
14 Pin Dill Socket for IC1
All semiconductors for this receiver are available from the following link Maplin Electronics or Cricklewood Electronics CCTV and Electronic Components
NB If you are also intend upgrading the 1 transistor version of this receiver to the 2 or 3 transistor version Maplin Electronics also sell capacitor and resistor packs which will save you the frustration of reordering and will serve for the VHF and valve versions of this receiver. For there pack of assorted electrolytic capacitors there order code is N68BT and for there pack of Ceramic Disc capacitors there order code is N67BT. The resistor pack order code is FAO8J.
Miscellaneous Items
S1 Single Pole ON/OFF Switch
Copper Laminated Clad Board for receiver chassis
Tag Strips 5 Way. Middle earth tag is soldered to clad board. You need 2 for this receiver
Veroboard. For wiring audio amplifier.
Speaker 8R 1 Watt minimum rating.
All tuning Coils are wound on 15mm plastic tube. Please see text for complete information on band coverage.
Enamelled Copper wire. All gauges are available from Maplin Electronics
Batteries
6 AA Size 1.5V Alkaline available from Maplin Electronics or any local convenience store
Battery Holder. You need one that will accommodate 6 AA Size cells. NB 9V Single cell PP3 batteries may work although they may have a short life particularly if you listen to the set at high volume levels due to excessive current drain from the audio amplifier.
Screws Nuts Bolts and Washers
All available from Maplin Electronics
Tinned copper wire for inter connecting components and for Antenna.
Components List For 2 Transistor Regenerative Receiver
Please note that the resistor, Semiconductor and capacitor values will only be called out for this version of the receiver, As all miscellaneous items and component supply links are the same as for the 1 transistor version of this receiver.
Resistors 1/4 Watt Cracked Carbon
R1 R10 100K Brown Black Yellow.
R2 R4 R5 R6 R7 2K2 Red Red Red.
R8 100R Brown Black Brown.
R9 10K Brown Black Orange.
RV1 10K Lin Potentiometer.
RV2 47K Log Potentiometer.
Capacitors
C1 C2 C4 C6 1000PF Ceramic Disc. Code 102.
C3 5PF. NB If 5PF is hard to obtain, 2 10PF Ceramic disc capacitors code 10 wired in series will surface.
C5 C7 100PF Ceramic Disc. Code 101.
C8 C11 C14 100NF Ceramic Disc. Code 104.
C9 47NF Ceramic Disc. Code 473.
C10 4.7NF Ceramic Disc. Code 472. NB Mistaken in circuit diagram as 47NF. 4.7NF is the correct value.
C12 100uf 25V Electrolytic Capacitor.
C13 220uf 25V Electrolytic Capacitor.
C15 1000uf 25V Electrolytic Capacitor.
VC1 Tuning Capacitor 365PF.
Semiconductors
TR1 TR2 2N3819 Single Channel FET Transistor.
IC1 LM380N Audio IC.
14 Pin DILL Socket For IC1
Components List For 3 Transistor Regenerative Receiver
Please note that the resistor, Semiconductor and capacitor values will only be called out for this version of the receiver as all miscellaneous items and component supply links are the same as for the 1 transistor version of this receiver.
Resistors 1/4 Watt Cracked Carbon
R1 R7 R10 100K Brown Black Yellow.
R2 R4 R5 R6 R8 R11 2K2 Red Red Red.
R3 R12 4K7 Yellow Violet Red.
R9 R13 100R Brown Black Brown.
R14 10K Brown Black Orange.
RV1 10K Lin Potentiometer.
RV2 10K Log Potentiometer.
Capacitors
C1 C2 C4 C6 1000PF Ceramic Disc. Code 102.
C3 5PF. NB If 5PF is hard to obtain, 2 10PF Ceramic Disc capacitors code 10 wired in series will surface.
C5 C7 100PF Ceramic Disc. Code 101.
C11 C8 C10 C15 100NF Ceramic Disc. Code 104.
C12 47NF Ceramic Disc. Code 473.
C13 4.7NF Ceramic Disc. Code 472. NB Mistaken in circuit diagram as 47NF. 4.7NF is the correct value.
C11 C12 100uf 25V Electrolytic Capacitor NB Mistaken as duplicate numbers. Please refer to circuit and wiring diagrams.
C14 220uf 25V Electrolytic Capacitor.
C16 1000uf 25V Electrolytic Capacitor.
VC1 Tuning Capacitor 365PF.
Semiconductors
TR1 TR2 TR3 2N3819 Single Channel FET Transistor.
IC1 LM380N Audio IC.
14 Pin DILL Socket for IC1
Back to-Progressive Crystal Set To Regenerative Receiver Using Safe 12V HT Line