Figure 2.4 Schematic diagram of VT JT + logarithmic-recistor. 44.60 v Output Potential (V), Volts w a ° a 50 Nn ° —- 0 ob 60 aw. Je VT» 5e96 io7? 197! input Current (1), mo Figure 2.5 Calibration curve for typical logarithmtc-reaistor. Smml VT R 2.2M Figure 2.6 Schematic diagram of trequancy converter (HFC). 2 | Outeut ~ w | ro z (newt vTirevT2ae 20 SOZIA ae [ 1 frfile 'ooK