Transmitter 45-A
Collins Radio Company; Cedar Rapids (IA)
- País
- Estados Unidos
- Fabricante / Marca
- Collins Radio Company; Cedar Rapids (IA)
- Año
- 1935
- Categoría
- Radioaficionados; Transmisor de radio.
- Radiomuseum.org ID
- 174018
QST November 1935
QST October 1935
QST November 1935
- Numero de valvulas
- 12
- Gama de ondas
- Onda Corta solamente
- Tensión de funcionamiento
- Red: Corriente alterna (CA, Inglés = AC)
- Altavoz
- - - No hay salida de sonido.
- Material
- Metálico
- de Radiomuseum.org
- Modelo: Transmitter 45-A - Collins Radio Company; Cedar
- Forma
- Sobremesa apaisado (tamaño grande).
- Ancho, altura, profundidad
- 21.5 x 18 x 12 inch / 546 x 457 x 305 mm
- Anotaciones
-
Collins 45A Transmitter: can be tuned in the range of 1,5 - 30 MHz included 160 - 20 m ham bands, rapid frequency change using plug-in frequency change assemblies, CW (A1) 120 W, AM (A3) 40 W.
Tubes used are Collins C-100 for the early models and by 1937 replaced by 6L6 as oscillator tube. To keep the date 1935 we use here "unknown_Tube".Tube 46 is the 1st doubler, RK-23 used as R-F amp, C830B as 2nd doubler and C-211D (later replaced by 211H) as final, in the speech amplifier two 57 and a 2A3 as power amplifier and in the power supply two 83-V for standard 350V B+ and two 866 mercury rectifiers for 1200 B+ for the final stage.
One of the first high power grid modulated desktop transmitters used by Radio Amateurs and for commercial and police purposes.
- Peso neto
- 130 lb (130 lb 0 oz) / 59.020 kg
- Procedencia de los datos
- -- Original-techn. papers.
- Autor
- Modelo creado por Martin Bösch. Ver en "Modificar Ficha" los participantes posteriores.
- Otros modelos
-
Donde encontrará 100 modelos, 77 con imágenes y 35 con esquemas.
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