1. This specification applies to FM/ AM varator tuner and FCC and E- mark authentication.
2. Unit should not have any excessive stain, bruise, uneven plating, etc which decrease its commercial value.
3. Receiving system.
(1) FM section: super heterodyne ( upper side oscillation).
(2) AM section: double heterodyne.
1. Link IC: CHP59002, Z4C02N, TDA7540B.
2. Receiving frequency.
(1) FM section: 87.5MHz ~ 108MHz; 76MHz ~ 90MHz; 65MHz ~ 74MHz.
(2) AM section: 153kHz ~ 1710kHz.
3. IF center frequency.
(1) FM section: 10.7MHz.
(2) AM section: 1st= 10.7MHz; 2nd= 450 KHz.
4. Standard supply voltage: 5V.
5. Operation temperature: 30℃ ~ +80℃ range.
China
