HEATHKIT SB-200
Linear Amplifier
Linear Amplifier
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Finished project
G e n n L a b
www.gennlab.com
Assembled by Heathkit Electronic Center.
All modifications done using SB-200 Retrofit Kit from
HARBACH ELECTRONICS.
Power Module.
Soft Key.
Soft Start.
New antenna relay.
Valves / tubes 2 x 572-B/T160L “C” etc.
Fuse-protected HT.
Input Filter matched to 50 Ohms transistor transceiver.
Improved grounding.
All above gives OUTPUT POWER on a dummy load measured by
BIRD Model 43 Power Meter (240V mains, 60W CW Input Power and
ALC cable unplugged):
3.6 MHz - 850 W CW.
7.1 MHz - 900 W CW.
14.2 MHz- 900 W CW.
21.3 MHz- 850 W CW.
28.4 MHZ- 690 W CW.
DIMENSIONS: 38W x 17H x 34D cm.
WEIGHT: 16 kg.
All modifications done using SB-200 Retrofit Kit from
HARBACH ELECTRONICS.
Power Module.
Soft Key.
Soft Start.
New antenna relay.
Valves / tubes 2 x 572-B/T160L “C” etc.
Fuse-protected HT.
Input Filter matched to 50 Ohms transistor transceiver.
Improved grounding.
All above gives OUTPUT POWER on a dummy load measured by
BIRD Model 43 Power Meter (240V mains, 60W CW Input Power and
ALC cable unplugged):
3.6 MHz - 850 W CW.
7.1 MHz - 900 W CW.
14.2 MHz- 900 W CW.
21.3 MHz- 850 W CW.
28.4 MHZ- 690 W CW.
DIMENSIONS: 38W x 17H x 34D cm.
WEIGHT: 16 kg.
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