Communications Receiver FRG-7
Yaesu-Musen Co. Ltd.; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Yaesu-Musen Co. Ltd.; Tokyo
- Year
- 1976–1980
- Category
- Amateur-Receiver (amateur bands, may include broadcast bands)
- Radiomuseum.org ID
- 69095
FROG bought in 2007
Hier Version mit Sommerkamp Label.
Insertion prise avec filtre intégré
Vue du filtre secteur
Frequenzaufbereitung
Skalen Frequenzeinstellung
Works 100 percent well.
Bloc à piles (option)
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 21
- Main principle
- Wadley-Loop principle (including dual superhet)
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Line / Batteries (any type) / 100; 110; 117; 200; 220; 234 / 8×1,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 2 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: Communications Receiver FRG-7 - Yaesu-Musen Co. Ltd.; Tokyo
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 340 x 153 x 285 mm / 13.4 x 6 x 11.2 inch
- Notes
-
Yaesu Communications-Receiver FRG-7.
Frequency range: 500 - 30000 kHz in for ranges; Modes: AM, SSB, CW; external power supply (12 VDC) possible.
Wadley-Loop principe incl. dual conversion superhet. First use of the Wadley-Loop principle was in RACAL RA-17. Principle invented by Dr. Trevor Lloyd Wadley, 1920 - 21.05.1981.
In Europe also sold under the Sommerkamp-Label with same id: FRG-7, and from Sears in the US under Nr. 412.36380700.Early models have no fine-tuning.
21 Transistors, 2 ICs and 12 Diodes listed one per type.
- Net weight (2.2 lb = 1 kg)
- 7 kg / 15 lb 6.7 oz (15.419 lb)
- Price in first year of sale
- 290.00 $
- External source of data
- Eilert Menke
- Source of data
- -- Original-techn. papers.
- Mentioned in
- Shortwave Receivers - Past & Present (3rd ed.)
- Literature/Schematics (1)
- Schematic
- Author
- Model page created by a member from D. See "Data change" for further contributors.
- Other Models
-
Here you find 305 models, 289 with images and 139 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Yaesu-Musen Co. Ltd.; Tokyo
Collections
The model Communications Receiver is part of the collections of the following members.
- Firmino Alves (P)
- Michael Arnoldt (D)
- Helmut Arzt (D)
- Marcel Attard-Baldacchino (M)
- Martin Bösch (CH)
- Emilio Focosi (I)
- Rolf Franke (CDN)
- Manuel Albano Neves (P)
- Olivier Palix (F)
- Jean Claude Pigeon † 2008 (F)
- Arpad Roth † 27.3.17 (A)
- Heinz Schmidt (D)
- Gabriele Seccia (I)
- Davide Tambuchi (I)
- Serioja Tatu (CDN)
Literature
The model Communications Receiver is documented in the following literature.