Receiver for Jupiter
|RF Amp||Narrow Band Pass Filter||Mixer||Low Pass Filter||Audio Preamp||Audio Power Amp|
3rd Order Coupled Resonator Filter
One can also use the 3rd order filter as given in this section. This is relatively simpler but requires tuning. This design is by Richard Flagg.
Tuning of this filter to 20.1 MHz can be also achieved by use of fixed components as shown in following figure: -
The above filter is simulated in Ansoft (Tool for Microwave & RF engineering).