Page 237 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
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+V
0.1 uf
R1
Vout
le
+ Vbias
Rbias M Q1
2
(e.g o.2N3904)
CE
....... V __ ----I I < Vosc
Cin
Vrf RE
FIGURE 14-7 A simple transistor mixer circuit.
TABLE 14-1 Ratio of Conversion Transco nductance to Small-Signal
Transconductance for the Sum- or Difference-Frequency (Fl ± F2) Signals as a
Function of the Oscilllator Signal's Peak Amplitude