Philips
model LV378T
General
features
|
Radio type |
Battery powered portable radio,
all solid state |
|
Circuit type |
Superheterodyne, 452kHz with
AVC |
|
Dimensions |
mm, kg |
|
Cabinet |
Vinyl covered wood, plastic grille
and handle, printed plastic dial |
|
Loudspeaker |
Type AD3460, 100x15mm oval, moving
coil, permanent magnet |
|
Main controls |
Volume, tuning, and power, tone,
waveband push buttons |
|
Connections |
None |
|
Antenna |
Ferrite cored inductor for MW,
loop antenna for SW |
|
Power |
9V DC, 6x 1.5V UM-2 dry cells,
approximately 20mA at normal listening level |
Wave
bands
|
AM MW |
517-1622kHz (200-550m) |
|
AM SW |
3.2-12MHz (25-90m) |
Circuits
and semiconductor devices
|
AM mixer/oscillator |
OC170 alloy junction germanium PNP
transistor |
|
1st IF amplifier |
OC45 alloy junction germanium PNP
transistor |
|
2nd IF amplifier |
OC45 alloy junction germanium PNP
transistor |
|
AM detector and AVC |
OA79 germanium diode |
|
Audio preamplifier and driver |
2x OC71, alloy junction germanium
PNP transistors |
|
Audio output stage and thermal
stabilization |
2- OC72 matched pair alloy
junction germanium PNP transistors, thermistor |