Figure 9. Cathode follower and meter circuit, CW PEAK position of function switch.

Figure 9. Cathode follower and meter circuit, CW PEAK position of function switch.

m e t e r cathode follower V702 while eqti-

J701. With a tuning unit plugged into the

izing the voltage across the metering cir-

m a i n unit, terminal 1 of the mating con-

cuit with ZERO ADJ control R715.

nector on the tuning unit couples this -150-

v o l t potential (with reference to chassis

21. PULSE PEAK Position of Function

ground) to the if. amplifier bus. Fixed re-

Switch

s i s t o r R708 is shorted out of the circuit

b y terminal 3 of the switch, and permits

Figure 11 shows that the signal path with

the full output of voltage regulator V709,

function switch S702 in PULSE PEAK posi-

in the negative power supply, to be applied

tion is similar to that in ZERO ADJ posi-

to the if. bias bus. A high negative voltage

t i o n (para 20), except for the following

is developed in the if. bias bus which cuts

differences:

off the complete if. amplifier, and assures

a. S702 Rear, Section X. The s w i t c h

t h a t no metering signal can pass through