Miniature radios Era-2M and Mayak-1.
Portable radio receivers and radios on p / p.DomesticMiniature radios "Era-2M" and "Mayak-1" have been produced since 1965 by the Zelenograd plant "Angstrem". Era-2M and Mayak-1 are simplified versions of the Micro receiver. LW range. Sensitivity 40 mV / m. Selectivity is about 10 dB. Rated output power 0.3 mW. The load is the TM-2M telephone. Each receiver is powered by a D-0.06 battery, which is charged from the mains using a ZU-3 charger. The dimensions of the receivers: "Era-2M" - 39x43x8 mm, "Mayak-1" - 38x49x8 mm. Weight 30 grams each. Radios have an off knob and a tuning knob. The Era-2M radio receiver is designed in the form of an earring, and the Mayak-1 receiver is in the form of a brooch. The receivers are made according to the direct amplification scheme on five transistors. Thread resistances and microcapacitors were used during the assembly of the models.
