HP 3336A Operating Manual page 140

5-6
h. Switch the 141T to non-storage
i. Adjust A21R107 to minimize the spur.
5-17 Multiplier Input and Output Offset Adjustment.
5-18 This procedure optimizes the balance of the voltage multiplier IC (A3U11).
Required Equipment:
oscilloscope -hp- Model 1740A
function generator -hp- Model 3312A
50 ohm feedthru termination -hp- Model 11048C
a. Set the -hp- 3312A as follows:
Ranges: ccos-Aoen caw ead Sun tke os 1 kHz
Didlvaca evenness oh icct eee 1 &
OPTSEE 226). 22 taed Shin ed heels Cal
Amplitudes :e006 eid uw bole sad ka x10
Ampl Vernier ............... 0000005 Center
SYM oh seitioeik oe vase Oe ea ora en Cal
PUNCHON 2o:22 ene edn tea ante sake eds Square Wave
b. Set the -hp- 1740A as follows:
Channel ........ 00... 0c. cece eee A
VOItS/ DIV visciccs- cera see esac BS 0.05V
Main Trig: cegieh tint tis xeseds fon Ext
Titme/ Div hi. 3:i-2 cee sa rhe s eed ceenicos 0.2msec
DG ses Rosina Siecle iva Lean eee eee Coupled
c. Set the -hp- 3336A/B/C as follows:
Frequency ......... cc cee cece ee ecees 10 kHz
Amplitude ste4¢¢.eu sito c seein cies 7.00 dB
d. Connect +5Vdc to the rear panel AMPTD MOD input on the 3336.
e. Remove cable W23 on the A3 assembly.
f. Connect the 3312A 50 ohm output to J23.