- on RF (radio)
- Published in issue 5/2001 on page 0
1,5-Volts Medium Wave (MW) Radio
and now for something smaller.
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.
R1 = 100kOhm
R2 = 560Ohm
R3 = 33kOhm
P1 = 100Ohm preset H
C1 = 330pF (see text)
C2,C3 = 100nF
C4,C5 = 220nF
T1 = BC550
IC1 = MK484 (F-501), Conrad Electronics # 178535-88
Headphones 32Ohm (or more)
Experimenters' board type UPBS-1