HP 8340B Manual page 259

Table F-4. Diagnostic
SHIFT M4
Tests (2 of 2)
Name
Description
LEVEL SWP DAC
BND CROSS DAC
SWP WIDTH DAC
SWP RANGE ATN
V/GHz CIRCUIT
V/GHz BND ATN
BRK PNT 1 DAC
BRK PNT 2 DAC
ATN SLOPE DAC
YO PRETUN DAC
SWEEPTIME DAC
NOT USED
A27INSTALLED
Verifies the operation of
the A27 assembly Power Sweep Generator and
a
portion of Address
Decoding. Monitors LVL SWP
to determine the test
results.
Verifies the operation of the
A57 assembly Sweep Comparator. Monitors
CMP
to determine the test results.
Verifies the operation of the
ASS assembly. This test specifically
exercises
the
Sweep
Width DAC and monitors BVSWP to determine
the test results.
Verifies the operation of the
ASS
assembly. This test specifically
exercises
the
Sweep
Width Register and monitors
BVSWP
to determine the test
results.
Verifies the
operation
of the
A28 assembly —0.25 V/GHz
circuitry and a
portion of the Programmable Scalar and the Digital Control. Monitors
—
,25
V/GHz
to determine the test results.
Verifies the operation of the A28 assembly Programmable Scalar Monitors
-.25
V/GHz
to
determine the test results.
Verifies the operation of the A27 assembly 9
GHz
Breakpoint Slope Com¬
pensation, the Compensation Summing Amplifier, and
a
portion of the
Address Decoding. Monitors LVL COR
to
determine the
test results.
Verifies the operation of the A27 assembly 20 GHz
Breakpoint
Slope
Com¬
pensation,
the Compensation Summing Amplifier, and
a
portion of the
Address
Decoding. Monitors LVL
COR
to determine
the
test
results.
Verifies the operation of the A27 assembly Attenuator Slope Compensation,
the Compensation Summing
Amplifier, and
a
portion of the Address Decod¬
ing. Monitors
LVL COR to determine the test results.
Verifies the operation of the A54 assembly Pretune Register, the Pretune
DAC, and the Summing Amplifier. Monitors —.25
V/GHz
to
determine the
test results.
Verifies the operation of the A58 assembly. This test specifically exercises
the
Sweep Time
DAC
and uses the
A57 Marker Bandcross assembly
and
the PIT to determine the test
results.
Verifies
that
the A27 Level Control Assembly
is installed.
A60
Processor
Assembly-Level Troubleshooting