The wristwatch with radio was developed in 1986 by the Riga PO "Radiotekhnika". ,86e6f450b8cc469628ba70bf2947b049A complex creative youth team under the leadership of S.A. Zhuravlev at the Microelectronics Design Bureau on the topic "Hybrid-6" developed 3 versions of clocks with a radio receiver and made prototypes. ,86e6f450b8cc469628ba70bf2947b049In the first version of 1986, the watch was electronic, in the second version of 1987, it was an electromechanical quartz watch based on the 2356 mechanism of the 2nd Moscow ChZ, the third version provided for the placement of a radio receiver in a keychain or pendant. ,86e6f450b8cc469628ba70bf2947b049The estimated cost of the 1st microassembly RPd Ch-3 for watches in serial production (20,000 pieces per year) was 3 rubles. ,86e6f450b8cc469628ba70bf2947b04950 kopecks ,86e6f450b8cc469628ba70bf2947b049A miniature direct-amplified radio receiver is made in a lightweight plastic case of an electronic (electromechanical) watch or in the form of a pendant. ,86e6f450b8cc469628ba70bf2947b049The built-in magnetic antenna is used to receive any local broadcasting station in the medium-wave range. ,86e6f450b8cc469628ba70bf2947b049The sound volume is adjustable. ,86e6f450b8cc469628ba70bf2947b049The clock mechanism and the receiver are powered separately from one element of the SC-32 type for each device. ,86e6f450b8cc469628ba70bf2947b049The aesthetically subtle decorative color finish and good legibility of the graphic signs make the clock radio modern and the pendant receiver a fashionable element of decoration. ,86e6f450b8cc469628ba70bf2947b049Technical characteristics: The range of received frequencies of MW - 525 ... 1605 kHz. ,86e6f450b8cc469628ba70bf2947b049Load resistance - 80 ohms. ,86e6f450b8cc469628ba70bf2947b049Consumption current - 4 mA. ,86e6f450b8cc469628ba70bf2947b049Supply voltage: nominal 1.5 V, minimum 1.1 V. Dimensions of the radio clock - 44 x 37 x 12 mm. ,86e6f450b8cc469628ba70bf2947b049Weight - 15 gr. ,86e6f450b8cc469628ba70bf2947b049The last file is the electrical diagram of the radio receiver.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null