Transistors (Germanium PNP RF Small Signal Amplification)

2SA12 (日立)

Alloy Junction

IF (455 kHz) Signal Amplification

2SA15 (日立)

Alloy Junction

MW Frequency Conversion

2SA28東芝

Drift

MW Signal Amplification

2SA49東芝

Alloy Junction

IF (455 kHz) Signal Amplification (First stage)

2SA52東芝

Alloy Junction

MW Frequency Conversion

2SA53 (東芝)

Alloy Junction

IF (455 kHz) Signal Amplification (Second Stage)

2SA70松下

Alloy Diffusion

IF (10.7 MHz) Signal Amplification

Equivalent to 2SA341

2SA71 (松下)

Alloy Diffusion

FM Signal Amplification, Frequency Conversion

Equivalent to 2SA342

2SA100松下

Drift

MW Signal Amplification

2SA101松下

Drift

IF (455 kHz) Signal Amplification

2SA102松下

Drift

MW Frequency Conversion

2SA103 (松下)

Drift

HF Frequency Conversion

2SA104 (松下)

Drift

HF Frequency Conversion

2SA201三洋

Alloy Junction

MW Frequency Conversion

2SA202三洋

Alloy Junction

IF (455 kHz) Signal Amplification (First stage)

2SA203 (三洋)

Alloy Junction

IF (455 kHz) Signal Amplification (Second stage)

2SA234日立

Mesa

IF (10.7 MHz) Signal Amplification

2SA235日立

Mesa

FM Signal Amplification, Frequency Conversion

2SA288 (日立)

Mesa

VHF TV Frequency Conversion

2SA290 (日立)

Mesa

VHF TV Signal Amplification

2SA350日立

Drift

HF Signal Amplification, Frequency Conversion

2SA351 (日立)

Drift

HF Oscillation

2SA352 (日立)

Drift

HF Frequency Mixture

2SA353 (日立)

Drift

IF (455 kHz) Signal Amplification

2SA354 (日立)

Drift

MF Frequency Conversion

2SA355 (日立)

Drift

MF Signal Amplification

2SA435 (日立)

Mesa

VHF TV Frequency Conversion

2SA437 (日立)

Mesa

VHF TV Frequency Conversion

2SA469 (東芝)

Drift

SW Frequency Mixture

2SA470 (東芝)

Drift

SW Frequency Conversion

2SA471 (東芝)

Drift

IF (10.7 MHz) Signal Amplification


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2SA472 (東芝)

Drift

MW Signal Amplification, Frequency Conversion, Frequency Mixture

2SA476 (東芝)

Drift

FM Signal Amplification, Frequency Conversion, Frequency Mixture


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2SA477 (東芝)

Drift

IF (10.7 MHz) Signal Amplification


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