Using a positive supply with ECL circuitry results in positive ECL (PECL). Consider the version shown in Figure 6.50, which runs off a TTL power supply. 1. Estimate the nominal value of V REF at room...

Using a positive supply with ECL circuitry results in positive ECL (PECL). Consider the version shown in Figure 6.50, which runs off a TTL power supply.

1. Estimate the nominal value of V_REF
at room temperature (300 K).

2. Calculate and plot the V_TCs
for the P_ECL
gate.

Figure 6.50