Philips
model L5V38T
General
features
|
Radio type |
Battery powered portable radio,
all solid state |
|
Circuit type |
Superheterodyne, 452kHz and
10.7MHz IF with AVC (AM) and limiting and AFC (FM) |
|
Dimensions |
mm, kg |
|
Cabinet |
Vinyl covered wood, metal grille
and handle, printed plastic dial |
|
Loudspeaker |
Type AD3690X, 150x210mm oval,
moving coil, permanent magnet |
|
Main controls |
Volume/on-off, tone, FM tuning, AM
tuning, power / waveband / AFC / dial light pushbuttons |
|
Connections |
Antenna |
|
Antenna |
Ferrite cored inductor for MW,
telescopic antenna for SW and VHF |
|
Power |
6V DC, 4x 1.5V UM-3 dry cells,
approximately 25mA at normal listening level |
Wave
bands
|
FM VHF |
87.5 - 108MHz |
|
AM MW |
517 - 1622kHz (200-550m) |
|
AM SW 1 |
16 - 30m |
|
AM SW 2 |
30 - 90m |
Circuits
and semiconductor devices
|
VHF
preamplifier and mixer/oscillator |
2x
AF124 diffused germanium PNP transistors |
|
AM
mixer/oscillator and FM IF amplifier |
AF125
diffused germanium PNP transistor |
|
1st
AM / 2nd FM IF amplifier |
AF125
diffused germanium PNP transistor |
|
2nd
AM / 3rd FM IF amplifier |
AF126
diffused germanium PNP transistor |
|
AM
detector and AVC |
AA119
germanium diode |
|
AFC
|
Silicon
varactor diode |
|
FM
ratio detector |
Matched
pair AA119 germanium diodes |
|
Audio
preamplifier and driver |
2x
AC126, alloy junction germanium PNP transistors |
|
Audio
output stage and thermal stabilization |
2-
AC128 matched pair alloy junction germanium PNP transistors, thermistor |