TB 9-6625-2331-24
(14) Connect calibrator to TI INPUT A 50Ω/1MΩ using a tee-connector.
(15) Press TI keys as listed in (a) through (g) below:
(a) AUX MENU.
(b) FUNCTION ◄ ►keys, as needed, to select AU. COdES and ENTER.
(c) DATA ENTRY keys to type 23.1 and ENTER.
keys, as needed, to set time to 80 ns.
(d) TIME and
(e) STAT and
keys, as needed, to select MEAN.
(f) DATA ENTRY keys to type 10 and ENTER.
(g) 1X/10X to select X1.
NOTE
If 1X cannot be selected, adjust R308 first.
(16) Adjust Full Scale A (R308) (fig. 2) until TI indicates (step 12) V 1 mV.
(17) Select COMMON.
(18) Press SWAP.
(19) Adjust Full Scale Common B (R311) (fig. 2) until TI indicates V 1 mV.
(20) Move calibrator connection to TI INPUT B 50Ω/1MΩ.
(21) Deselect COMMON and SWAP.
(22)Adjust Full Scale B (R331) (fig. 2) until TI indicates V 1 mV.
(23) Repeat paragraph 9 a above.
10. Volts Maximum/Minimum
a. Performance Check
NOTE
Disconnect all signal cables from TI.
(1) Press TI keys as listed in (a) through (f) below:
LOCAL/PRESET.
(a)
INPUT A AC/DC to DC.
(b)
INPUT A 50Ω/1MΩ to select 1MΩ.
(c)
FUNCTION ◄ ►keys to select the VOLT A MAX/MIN function.
(d)
AUX MENU.
(e)
FUNCTION ◄ ►keys to select the CAL HYST function and ENTER.
(f)
(2) Verify that the TI indicates within the limits listed in first row of table 5.
(3) Connect calibrator OUTPUT HI and LO connectors to the tunable active filter
INPUT CH1 and connect the tunable active filter OUTPUT CH1 to INPUT A 50Ω/1MΩ
and INPUT B 50Ω/1MΩ.
