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Summary of Contents for Eddystone 659
- Page 7 Crystal Calibrator, incorporating a close tolerance 1000 Kc/s Crystal, for the final setting of the oscillator circuit. Such an instrument is manufactured by Eddystone (Cat. No. 690) and will be found indispensable where accurate calibration of any type of receiver is called for.
- Page 8 Page 8 TYPE 659 RECEIVER Band Frequency F.C. R.F. 13 Mc/s CORES 6 Mc/s 1.3 Mc/s 600 Kc/s (500 Metres) 28 Mc/s TRIMMERS 12 Mc/s 2.6 Mc/s 1200 Kc/s (200 Metres) The adjustment of the cores and trimmers affect each other slightly and it is therefore advisable to repeat the foregoing procedure once or twice.
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