Burkhard Kainka (231)

€5 (FREE for Members)

| You occasionally see advertising signs in shops with a blinking LED that seems to blink forever while operating from a single battery cell....

€5 (FREE for Members)

| This short-wave converter, which doesn’t have a single coil requiring alignment, is intended to enable simple medium-wave receivers to be us...

€5 (FREE for Members)

| This hybrid DRM receiver with a single valve and a single transistor features good large-signal stability. The EP95 (US equivalent: 6AK5) ac...

€5 (FREE for Members)

| The debate concerning the possible harmful effects of electrical and magnetic alternating fields in our environment goes on. The only thing...

€5 (FREE for Members)

| The right crystal controlled frequency at the right time: With this DIP outline oscillator there’s no need to wait for a special crystal to...

€5 (FREE for Members)

| Quartz oscillators are the way to go when you need a precise, stable frequency source but what do you do when an application calls for a non...

€5 (FREE for Members)

| A PC-controlled receiver is very convenient, especially for DRM, since it makes it easy to locate your favourite stations. However, this adv...

€5 (FREE for Members)

| Disco nights are great fun from time to time but you don’t want to overdo it in regard of the sound volumes you’re exposed to for a couple o...

€5 (FREE for Members)

| There are those cool-headed types, who can lie through their teeth with a straight face. But in the end it is just a matter of asking the ri...

€5 (FREE for Members)

| Low-cost digital radio receivers for short- and medium-wave are not yet on the market. There is, however, software available for processing...