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Electronic apparatus for biological research . o '"'''''-^^^::^, Figure 22.5 SMOOTHING CHOKES These range in inductance from 5 h to 75 h, and in current from about 25 mA max to
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QST . -^ □••300 ♢SX5. + H,V. +C -C -B . Fig. I — Viiring diagram of the transmitter. The section above the dashed line is the Bandbox frequency-multiplier unit. All
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