Philips
635V, 1940
General
features
|
Radio type |
Accumulator battery powered table
radio |
|
Circuit type |
Superheterodyne, 452kHz IF with
delayed AVC |
|
Dimensions |
530x335x240mm, ca 7kg |
|
Cabinet |
Bakelite, cloth grille, printed
glass dial |
|
Loudspeaker |
200mm, moving coil, permanent
magnet |
|
Main controls |
Tone, Volume/on-off, tuning and
waveband switch |
|
Extra controls |
Economy switch |
|
Connections |
Antenna, ground |
|
Power |
6V DC from storage battery,
internal synchronous mechanical chopper and transformer. |
Wave
bands
|
LW |
745 - 2000m |
|
MW |
165-560m |
|
SW |
45-165m |
|
SW |
13.5-45m |
Circuits
and Tubes
|
Oscillator and mixer |
ECH3 triode-hexode |
|
IF amplifier, detector and audio
amplifier (reflex circuit) |
EBF2 duodiode- remote cutoff
pentode |
|
Audio power amplifier |
EL2 8W economy pentode |
|
Rectifier |
Synchronous mechanical chopper |