IFR NAVAIR NAV-750

NAVAIR 17—2OAX—737
CALIBRATIONCHECKLIST
TEST INST (S) IFR Inc. NAV—750, NAV-750A, and NAV—750B VOR/LOC/COMMand G/S Bench Test Sets
PROC. NO. NA 17-2OAX-737 MFG. MODEL SER. NO.
PROCEDURE
STEP
NO.
(I)
FUNCTION TESTED
(2)
NOMINAL
(3)
MEASURED VALUES OUT
OF
TOL
~
CALIBRATION TOLERANCES
(7)
FIRST RUN
(4)
SECOND RUN
(5)
4.3 Attenuator Linearity Tests
(dBm) (dBm)
— (dBm)
4.3.4 —6 —6.0 —4.5 to —7.5
“ —10 —10.0 —8.5 to —11.5
“ —20
—20.0 —18.5 to —21.5
“ —30 —30.0 —28.5 to —31.5
“ —40 —40.0
—38.5 to —41.5
“ —50 —50.0 —48.5 to —51.5
“ —60 —60.0
—
—57.5 to —62.5
“ —70 —70.0
—
— —67.5 to —72.5
“ —80 —80.0
—77.5 to —82.5
“ —90 —90.0
—
— —87.5 to —92.5
“ —100 —100.0
—97.5 to —102.5
4.4 DEMOD Tones and DC OFFS
T Tests
—
4.4.3.3 90 Hz tone
—— ck () NA Displayed
“ (V dc) (mV dc)
“ DC offset 0.0
—40.0 to ÷40.0
4.4.3.6 90 Hz tone —— ck ()
—
NA Displayed
“ (V dc) (mV dc)
“ DC offset 0.0
—
—40.0 to +40.0
4.4.3.8 150 Hz tone
—— ck ()
—
NA Displayed
“ (V dc)
(mV dc)
“ DC offset 0.0
— —40.0 to +40.0
4.4.3.11 150 Hz tone —— ck () NA Displayed
“ (V dc) — (mV dc)
“ 0.0 —40.0 to +40.0
4.4.3. 14 9960 Hz tone
—— ck () NA Displayed
“ 30 Hz modtone —— ck () NA Displayed
4.4.3.15 DC offset 0.0 —40.0 to +40.0
4.4.3.17 30 Hz tone
—— ck () NA Displayed
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