HI-FI on strong signals in the Clear with Appropriate Selectivity.
Also includes:

• Strong carrier Hetrodynes at 5 & 10 KC
• High Frequencies, Phase Distorted by Sharp I.F. Filters
• Adjacent Channel Splatter
• White Noise, Static, & Line Harmonics

4KC LPF (low pass filter)

With - 60 DB 5.00 KC Notch.

• Removes the above, most of which occur at frequencies over 4kc
• Switching between the two (Flat & LPF) on a crowded SWL band is an instant education.
• Removes 8KC BW Mechanical Filter Ring

• 170 Cycles to 3.2 KC Band Pass
• Picks the voice out of a noisy signal
• Removes Low Frequency noise and hum
• Very Usefull for HAM AM Operation

• 740 CY to 990 CY Band Pass
• 250 CY BPF Flat top with rounded edges
• Minimal ring and realistic minimal bandwidth

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Field Day Products
Stories: KWM-2 Field Day - Russes Ears
Design Notes: Superimposing Low-Phase-Noise, Low-Drift Instrumentation techniques on RF Design
Hi Performance Analog Lay-Out
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