Philips model LV378T

Back to LV378T main page

Back to main radio page
 


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