PNL. NO. 1590 
CHOPPER AMP. Mk. III 
EVANS _ SEPT. 60 
= 
; : c TI 
BALANCE AuienA E 
=) ESTER = ANGUS . : 
BALANCE SHES ATTENUATION db 
sO. 40 
MONITOR 6 VOLTS TEST 
3. THE DC AMPLIFIER CHASSIS, TOP AND FRONT VIEWS. 
326 
