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12.2.1 AM-IF Alignment

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- AM-IF ALIGNMENT

SIGNAL GENERATOR OR SWEEP GENERATOR | RADIO DIAL SETTING | INDICATOR (ELECTRONIC VOLTMETER OSCILLOSCOPE) | ADJUSTMENT(Shown in Fig.3) | REMARKS
CONNECTIONS | FREQUENCY
Fashion a loop of several turns of wire and radiate signal into loop of receiver. | 450 kHz 30% Mod. at 40Hz. | Point of non-interference (on/about 600 kHz) | Headphone Jack (32Ω) Fabricate the plug as shown in Fig. 2 and then connect the lead wires of the plug to the measuring instrument. | Z102 (AM IFT) | Adjust for maximum output.

- AM-RF ALIGNMENT

SIGNAL GENERATOR OR SWEEP GENERATOR | RADIO DIAL SETTING | INDICATOR (ELECTRONIC VOLTMETER OSCILLOSCOPE) | ADJUSTMENT(Shown in Fig.1) | REMARKS
CONNECTIONS | FREQUENCY
Fashion a loop of several turns of wire and radiate signal into loop of receiver. | 520 kHz | Tuning capacitor fully closed. | Headphone Jack (32Ω) Fabricate the plug as shown in Fig. 2 and then connect the lead wires of the plug to the measuring instrument. | Z101 (AM OSC Coil) | Adjust for maximum output.
Fashion a loop of several turns of wire and radiate signal into loop of receiver. | 600 kHz | Tuning capacitor fully open. | Headphone Jack (32Ω) Fabricate the plug as shown in Fig. 2 and then connect the lead wires of the plug to the measuring instrument. | Z101 (AM ANT Coil) | Adjust for maximum output.

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