Keysight N8976B

Index
Keysight NFA Series Noise Figure Analyzers Service Guide
message URL
www.keysight.com/find/assist, 40
messages
error, 69
messages, warning, 70
midplane
see A7 midplane
midplane assembly
removal, 444
midplane bracket
part number, 353
motherboard
see A8 motherboard
mouse
USB, 24
N
N7814A
see calibration application software
noise figure uncertainty calculator, 14
O
operating system
problems, 60
options, 15
original instrument packing, 42
other instrument packing, 43
outer case (Option PRC), removal, 395
outer case, removal, 393
overview, NFA Noise Figure
analyzer, 14
P
packaging, 42
parts
replaceable, 353
PCI enumeration error, 59
performance verification tests
equipment, 25
required test equipment, 25
test equipment, 25
performance verification tests vs
functional tests, 487
post-repair procedures, 472
power amplifiers, 16
power on LED, 54
power splitters, 17
power supply
see A6 power supply, 353
preamplifiers, 16
preload measurement
applications, 47
preselector
see A12 YTF
probes
AC and DC, 16
R
rear panel
removal, 428
rear panel display output, 60
recovery process, 300
reference assembly
see A16 reference assembly
reference bracket
part number, 353
removal, 398
remove
see individual assemblies
repairs
see post-repair procedures
replace
see individual assemblies
replaceable parts, 353
required equipment, 25
required test equipment
adjustments, 25
performance verification tests, 25
troubleshooting, 25
return instrument for service, 42
RF area components, 399, 409
RF Flatness menu description, 344
RF input connector
part number, 353
removal, 455
RF limiters, 16
RF path block diagram, 322
RF section
description, 134, 200
RPG knob
part number, 353
S
Safety Information, 390
Sales and Service offices, 38
second harmonic distortion test, 498
separate analog IF assembly and
digital IF assembly, 442
serial number, 41
service
equipment, 22
returning your instrument, 42
tools, 391
service menus, 333
signal level verification, 66
Snapshot Alignments menu
description, 344
software licensing, 519
specifications, 46
Specifications Guide on CD-ROM, 15
splash screen, 49, 58, 59
splitters, 17
SSD assembly
see A5 SSD assembly
SSD module
see A5 SSD module
standby LED, 52
static safety accessories, 17
static-safe workstation, 20
status messages, 71
storage device
USB, 24
support URL, 38
support web site, 38
synthesizer
see A14 L.O. synthesizer assembly
T
test equipment
adjustments, 25
performance verification tests, 25
post-repair, 471
troubleshooting, 25
tests. See functional tests
timebase key description, 339
top brace
part number, 353
removal, 398
transient limiter, 16
troubleshooting
basics, 46
before you start, 18
equipment needed, 25
high band, 169, 216
low band, 142, 206
see individual assemblies
U
updating firmware, 518
updating measurement
applications, 518
URL, 38, 46
USB keyboard and mouse, 24
USB storage device, 24
User’s/Programmers Reference
Guides on CD-ROM, 15
V
video controller, 61
video signal path integrity, 61
W
warning messages, 70
warnings and cautions, 18
web site URL, 46
Y
yellow LED, 49, 52
yig filter
see A12 YTF
YTF
see A12 YTF