Coils
|
Circuit Ref. |
Function |
Details |
|
L1a |
Aerial coil-Range 1 |
1.08uH |
|
L2a |
Aerial coil-Range 2 |
0.61uH |
|
L3a |
Aerial coil-Range 3 |
Pri 0.885uH, Sec .0435uH |
|
L4a |
Mixer coil-Range 1 |
Pri 478uH, Sec 19.8uH |
|
L5a |
Mixer coil-Range 2 |
Pri 113uH, Sec 1.47uH |
|
L6a |
Mixer coil-Range 3 |
Pri 26.2uH, Sec 1.09uH |
|
L7a |
Oscillator coil-Range 1 |
Pri 1.74uH, sec 13.6uH |
|
L8a |
Oscillator coil-Range 2 |
Pri 3.83uH, Sec 1.85uH |
|
L9a |
Oscillator coil-Range 3 |
Pri 0.506uH, Sec 0.402uH |
|
L10a |
Oscillator vernier |
0.898uH |
|
L16a |
IFT 1 |
Pri 349uH, Sec 363uH |
|
L17a |
IFT 1 |
Pri 349uH, Sec 363uH |
|
L18a |
IFT 2 |
Pri 349uH, Sec 363uH |
|
L19a |
IFT 2 |
Pri 349uH, Sec 363uH |
|
L20a |
IFT 2 |
Pri 1560uH, Sec 261uH |
|
L21a |
BFO |
A 231uH, B 603uH, C 944uH |
|
Valves
|
Circuit Ref. |
Function |
Type |
Common equivalent |
|
V1a |
RF Amplifier |
ARP3 |
9D2 |
|
V1b |
Mixer |
ARP3 |
9D2 |
|
V1c |
Local oscillator |
ARP3 |
9D2 |
|
V1d |
IF Amplifier |
ARP3 |
9D2 |
|
V1e |
IF Amplifier |
ARP3 |
9D2 |
|
V1f |
Audio amplifier |
ARP3 |
9D2 |
|
V1g |
Audio output |
ARP3 |
9D2 |
|
V1h |
BFO |
ARP3 |
9D2 |
|
V2a |
Noise limiter |
ARDD1 |
10D1 |
|
V2b |
Detector/AVC |
ARDD1 |
10D1 |
|
V3a |
Xtal calibrator |
CV540 |
12SC7 |
|
V3b |
Xtal calibrator |
CV540 |
12SC7 |
|
V3c |
Xtal calibrator |
CV540 |
12SC7 |
|