Model
339A
Section
I
Table
1-1.
Specifications
(Cont’d).
fundamental
is
removed
for
further analysis using
oscilloscope
or
low
frequency
spectrum
analyzer.
Output
Voltage:
1
V
rms
±5%
open circuit for full
scale
meter indication,
proportional
to
meter
deflection
Output
Resistance: 1
kfl ±5%,
VOLTMETER
Voltage
Range:
1
mV rms
full scale to 300
V rms full scale
(
- 60
dB to
+
50 dB
full scale, meter
calibrated in dBV
and
dBm
into 600 0)
Frequency
Range:
10
Hz to
110
kHz
Accuracy (%
of
range
setting
I
20
Hz to
20
kHz
±
2%
Monitor Output:
Provides scaled presentation of input
signal
for further
analysis
using oscilloscope or low frequency spectrum
analyzer.
Output
Voltage: 1 V rms
±5% open
circuit for full
scale
meter
indication, proportional
to
meter
deflection.
Output
Resistance: 1 kll
± 5%.
RELATIVE
INPUT LEVEL
Defection
and
Meter
Indication
True
rms
detection
for
waveforms with crest factor s: 3.
Meter reads
true
rms volts, dB
V, and dBm into 60011.
Input
Impedance:
100
kl)
*
1.0% shunted by
<100
pF Input High
to
Low.
OSCILLATOR
Provides a ratio
measurement
relative
to
an operator
selected reference
level with
readout directly in
dB
V
or
dBm
(600 11).
Voltage range,
frequency
range, accuracy
specifications,
and monitor
are the same
as
in
VOLTMETER
mode. (Accuracy is relative
to
OdB
set
level
input.)
Frequency
Range:
1
0
Hz to 1 1 0
kHz in
4
overlapping decade ranges with
2
digit
resolution
Frequency vernier provides continuous
frequency
tuning between 2nd digit
switch
settings.
Output
Level:
Variable
from
<
1 mV
to > 3
V rms into
600
0 with
10
dB/step
LEVEL control and 1
0
dB VERNIER adjustment.
OSC
LEVEL
position on
function switch
allows
a quick
check of
oscillator level
without
disconnecting
leads
to
device
under
test.
OFF position on Oscillator LEVEL
control
provides
fast
signal-to-noise measurement
capability. Oscillator
output
terminals remain terminated
in 60011.
Frequency Accuracy:
± 2%
of selected frequency
(with FREQUENCY VERNIER
in
CAL
position).
Level Flatness:
20
Hz to 20
kHz
1
0
Hz to
1 1
0
kHz
±0.1
dB
±0.2 db
Distortion
(>
600 0
load,
<3 V
output,):
10 Hz to 20
kHz
20
kHz
to 30
kHz
30
kHz
to
50
kHz
<
-95
dB
(0.0018%)
THD
<
-85
dB
(0,0056%)
THD
<
-80
dB
(0.01%)
THD
50
kHz
to
1
10
kHz
<
-70
dB
(0.032%)
THD
Output
Resistance:
60011 ± 5%
AM
DETECTOR
Frequency
Range:
Carrier
frequencies:
550
kHz to
1.6 MHz.
Modulation
frequencies: 20
Hz
to 20
kHz.
Distortion
introduced
by
AM Detector
I
with
30 kHz
filter
switched
INI:
Up
to 85%
Modulation:
<
-36
dB
(1.6%)
THD
85%
to 95%
Modulation:
<
-30
dB
(3%)
THD
Input Level
Maximum:
60
V
peak
Modulation
signal level:
2.0
V
rms
minimum
10
V rms
maximum
Monitor
Output
( with
modulated
RF earner
applied
to
AM Detector
input
I:
1-3