Antenna Noise Bridge Low Frequency Converter 60 kHz Receiver VLF Receiver 198 kHz Converter
50 & 70 MHz Converter Audio Oscillator MSF Clock Tunable Audio Notch Filter Programmable Chime
Antenna Tuner Speech Compressor Two Tone Oscillator Sound Meter 136 kHz Crystal Calibrator



HOW's your LINEAR ? Check for linearity, bias, flat topping and carrier balance with a TWO  TONE  OSCILLATOR, two (or single) 100 mV audio tones, with diagnostic oscillograms, needs 9 V at 5 mA or internal battery, 4 x 7 x 13 cm, 200 g.

"very pleased", BM in Limerick, Eire.

This fun-to-build kit used to include all parts, tinned drilled fibre-glass pcb, case, connectors, screws etc as well as detailed assembly and operating instructions including circuit description and diagram, and was priced at 21.90 including VAT and UK postage.
Please e-mail for the latest price reduction, details of payment and any extra parts now neeeded.