- País
- Gran Bretaña (GB)
- Fabricante / Marca
- Racal Engineering / Instruments / Electronics Ltd., Bracknell
- Año
- 1978–1981
- Categoría
- Receptor profesional (puede incluir bandas de aficionados)
- Radiomuseum.org ID
- 109219
- Numero de transistores
- Hay semiconductores.
- Semiconductores
- Principio principal
- Superheterodino doble o triple conversión
- Gama de ondas
- OM, OL y más de dos OC
- Tensión de funcionamiento
- Red: Corriente alterna (CA, Inglés = AC) / 110-125 / 200-250 Volt
- Altavoz
- Altavoz dinámico (de imán permanente)
- Potencia de salida
- 1 W (unknown quality)
- Material
- Metálico
- de Radiomuseum.org
- Modelo: RA-1772 - Racal Engineering /
- Forma
- Rack
- Ancho, altura, profundidad
- 483 x 178 x 410 mm / 19 x 7 x 16.1 inch
- Anotaciones
- Commercial receiver, coverage 15 - 30000 kHz, AM, USB/LSB, CW;
digital LED readout, minimal tuning steps 10 Hz, standard bandwidths 8 / 3 / 0.3 kHz, several configurations;
optional 9400 standard or 9420 high stability frequency standard with crystal oven, optional ISB, FSK and AFC circuits.
- Peso neto
- 21 kg / 46 lb 4.1 oz (46.256 lb)
- Procedencia de los datos
- Shortwave Receivers - Past & Present (3rd ed.)
- Autor
- Modelo creado por Martin Bösch. Ver en "Modificar Ficha" los participantes posteriores.
- Otros modelos
-
Donde encontrará 113 modelos, 62 con imágenes y 18 con esquemas.
Ir al listado general de Racal Engineering / Instruments / Electronics Ltd., Bracknell
Contribuciones en el Foro acerca de este modelo: Racal Engineering /: RA-1772
Hilos: 1 | Mensajes: 1
the complete designation of RA 1771 and 1772 receivers alows to identify the mounted optional components:
format as follows:
1st suffix / 2nd suffix / 0 / fourth suffix / fifth suffix / sixth suffix
1st suffix: filters fitted (6 available slots)
A: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
B: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
C: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 3 kHz
D: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 2,7 kHz
E: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
F: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
G: symmetrical 1 / 3 / 13 kHz, sideband filters USB 6 / LSB 6 kHz
H: symmetrical 1 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
2nd suffix: frequency standard fitted
0: no internal frequency standard, external frequency standard required
S2: type 9400 frequency standard
S3: type 9420 high stability frequency standard
3rd suffix: always 0
4th suffix: ISB filter identification
0: not required / not available
B3: 3 kHz Filter (2,7 kHz minimum bandwidth)
B6: 6 kHz Filter (5,7 kHz minimum bandwidth)
5th suffix: frequency shift keying
0: FSK facility not fitted
F: FSK facility fitted
6 th suffix: automatic frequency control
0: AFC facility not fitted
C: AFC facility fitted
Similar receivers:
RA-1773 (RA1773): RA-1771 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
Similar receivers:
RA-1774 (RA1774): RA-1772 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
format as follows:
1st suffix / 2nd suffix / 0 / fourth suffix / fifth suffix / sixth suffix
1st suffix: filters fitted (6 available slots)
A: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
B: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
C: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 3 kHz
D: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 2,7 kHz
E: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
F: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
G: symmetrical 1 / 3 / 13 kHz, sideband filters USB 6 / LSB 6 kHz
H: symmetrical 1 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
2nd suffix: frequency standard fitted
0: no internal frequency standard, external frequency standard required
S2: type 9400 frequency standard
S3: type 9420 high stability frequency standard
3rd suffix: always 0
4th suffix: ISB filter identification
0: not required / not available
B3: 3 kHz Filter (2,7 kHz minimum bandwidth)
B6: 6 kHz Filter (5,7 kHz minimum bandwidth)
5th suffix: frequency shift keying
0: FSK facility not fitted
F: FSK facility fitted
6 th suffix: automatic frequency control
0: AFC facility not fitted
C: AFC facility fitted
Similar receivers:
RA-1773 (RA1773): RA-1771 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
Similar receivers:
RA-1774 (RA1774): RA-1772 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
Martin Bösch, 17.Dec.06