Radio broadcast .. (1922-30)

Record Details:

Title:
Radio broadcast ..
Date:
1922-30
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
00048
Language:
English
Collection:
Broadcasting & Recorded Sound
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
July 19, 2022
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.RADIO BROADCAST. No. 34 Radio Broadcasts Set Data Sheets November, 1929 GILFILLAN MODEL 100 RADIO RECEIVER 114T.No.28E UY-227 UY-22J- Imfd UX-245 UY-227 .' UY227 / UY-227 UY-227 " If . -'If . | It* ' This receiver contains four stages of radio-frequency'am- ^ Miration followed by a two-stage audio-frequency ampli- fier, resistance coupled in the first stage and transformer coupled in the second stage. It should be noted that the sec- ond stage of audio amplification is shunt fed and that an auto-transformer is used. The auto-transformer feeds the single 245-type power tube. THE KENNEDY RECEIVER CHASSIS NO. 10 This seven-tube receiver employs a three-stage radio-frequency am- plifier of high sensitivity and uniform gain. All tuning condensers are ganged to a single control. The detector ia followed by the conventional two-stage transformer-coupled audio-frequency amplifier with two 245- type tubes in the output. The radio-phonograph switch connects the phonograph pick-up unit directly to the grid of the detector tube. Phono • NOVEMBER 1929 • 51