Philips model 29RL367
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 |
Plastic, metal grille and handle, printed plastic dial |
|
Loudspeaker |
Type AD3415RX, 100mm, moving coil, permanent magnet, aluminium frame |
|
Main controls |
Volume/on-off, tuning, waveband switch |
|
Connections |
None |
|
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 |
3.2-12MHz (25-90m) |
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 |
AF126 diffused germanium PNP transistor |
|
2nd AM / 3rd FM IF amplifier |
AF126 diffused germanium PNP transistor |
|
AM detector |
AA119 germanium diode |
|
AVC |
AA119 germanium diode |
|
AFC |
Silicon varactor diode |
|
FM ratio detector |
Matched pair AA119 germanium diodes |
|
Audio preamplifier and driver |
AC126,AC128 PNP and AC127 NPN alloy junction germanium transistors |
|
OTL audio output stage and thermal stabilization |
AC128 PNP and AC127 NPN germanium transistors, BA114 silicon diode |