Consumer-Use High Frequency Device
Transistor, FET
s
TV tuner
Bi-polar transistor
Mini-mold
Small mini-mold
(3-pin)
(3-pin)
Dual gate FET
Mini-mold
Super mini-mold
(4-pin)
(4-pin)
3SK131
3SK222
3SK223
3SK230
3SK252
3SK131
3SK242
3SK246
3SK243
3SK254
3SK242
Application
RF
VHF band
MIX
OSC
RF
(
λ
/4)
2SC3545
2SC3545
2SC4182
2SC4184
2SC4182
2SC4184
2SC4183
UHF band
RF
(
λ
/2)
RF
(GaAs FET)
MIX
3SK135A
3SK224
3SK231
3SK253
3SK134B
3SK177
3SK206
3SK244
3SK255
3SK245
2SC3545
2SC3841
OSC
2SC3545
2SC3841
2SC4183
2SC4185
2SC4184
2SC4186
2SC4182
2SC4184
2SC4185
Application Block Diagram
VHF antenna
RFamp
3SK222 3SK223
µ
PC2743,
µ
PC2744
µ
PC1694
µ
PC1686
To IF amp
µ
PD3100 series
PSC
+
PLL
UHF antenna
To Controller
RFamp
3SK224
µ
PC1685
µ
PC1687
176
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