Versatile Built-in Functions
Noise Source
Supports noise sources from Noisecom NC346 series. NC346 series models and summary specifications are listed below.
See the NC346 series catalog and datasheet for detailed specifications.
K261 DC Block Return Loss
Recommended DC blocks / Adaptor combinations for MS269xA/MS2830A series signal analyzer
Model
Frequency Range
RF connector Recommended DC Block
Order Name
Recommended Adapter
Order Name
MS269xA
series
MS2690A
50 Hz to 6 GHz
N (F)
J1555A
J0004
MS2691A
50 Hz to 13.5 GHz
N (F)
J1555A
J1398A
MS2692A
50 Hz to 26.5 GHz
N (F)
J1554A
J1398A
MS2830A
series
MS2830A-040
9 kHz to 3.6 GHz
N (F)
Not required
Not required
MS2830A-041
9 kHz to 6 GHz
N (F)
Not required
Not required
MS2830A-043
9 kHz to 13.5 GHz
N (F)
Not required
Not required
MS2830A-044
9 kHz to 26.5 GHz
N (F)
J1554A
J1398A
MS2830A-045
9 kHz to 43 GHz
K (F)
K261
Not required
Typical Low Frequency Insertion Loss measured
on K261 over the range of 1 kHz to 1 MHz.
Insertion Loss and Return Loss measured on
K261 over the range of 40 MHz to 40 GHz.
NC346 series summary specifications
Model
RF Connector
Frequency
[GHz]
Output ENR
[dB]
VSWR (maximum @ on/off) [GHz]
DC Offset
DC Block
0.01 to 5
5 to 18
18 to 26.5
26.5 to 40
NC346A
SMA (M)
0.01 to 18.0
5 to 7
1.15:1
1.25:1
—
—
No
Not required
NC346A Precision
APC3.5 (M)
0.01 to 18.0
5 to 7
1.15:1
1.25:1
—
—
No
Not required
NC346A Option 1
N (M)
0.01 to 18.0
5 to 7
1.15:1
1.25:1
—
—
No
Not required
NC346A Option 2
APC7
0.01 to 18.0
5 to 7
1.15:1
1.25:1
—
—
No
Not required
NC346A Option 4
N (F)
0.01 to 18.0
5 to 7
1.15:1
1.25:1
—
—
No
Not required
NC346B
SMA (M)
0.01 to 18.0
14 to 16
1.15:1
1.25:1
—
—
No
Not required
NC346B Precision
APC3.5 (M)
0.01 to 18.0
14 to 16
1.15:1
1.25:1
—
—
No
Not required
NC346B Option 1
N (M)
0.01 to 18.0
14 to 16
1.15:1
1.35:1
—
—
No
Not required
NC346B Option 2
APC7
0.01 to 18.0
14 to 16
1.15:1
1.25:1
—
—
No
Not required
NC346B Option 4
N (F)
0.01 to 18.0
14 to 16
1.15:1
1.35:1
—
—
No
Not required
NC346D
SMA (M)
0.01 to 18.0
19 to 25
∗
1
1.50:1
1.50:1
—
—
No
Not required
NC346D Precision
APC3.5 (M)
0.01 to 18.0
19 to 25
∗
1
1.50:1
1.50:1
—
—
No
Not required
NC346D Option 1
N (M)
0.01 to 18.0
19 to 25
∗
1
1.50:1
1.75:1
—
—
No
Not required
NC346D Option 2
APC7
0.01 to 18.0
19 to 25
∗
1
1.50:1
1.50:1
—
—
No
Not required
NC346D Option 3
N (F)
0.01 to 18.0
19 to 25
∗
1
1.50:1
1.75:1
—
—
No
Not required
NC346C
APC3.5 (M)
0.01 to 26.5
13 to 17
1.15:1
1.25:1
1.35:1
—
Yes
∗
3
Required
∗
3
NC346E
APC3.5 (M)
0.01 to 26.5
19 to 25
∗
1
1.50:1
1.50:1
1.50:1
—
Yes
∗
3
Required
∗
3
NC346Ka
K (M)
∗
2
0.10 to 40.0
10 to 17
1.25:1
1.30:1
1.40:1
1.50:1
Yes
∗
3
Required
∗
3
∗
1: Flatness better than ±2 dB
∗
2: Compatible with SMA and APC3.5
∗
3: When using noise sources output by DC, always use in combination with a DC block.
Specifications outlines of recommended DC Blocks and Adapters
Ordering
RF Connector
Frequency Range
VSWR
Model
Name
DC Block
J0805
DC Block, N type (MODEL 7003)
N (M)-N (F)
10 kHz to 18 GHz
1.35 (max.)
J1555A
DC Block, SMA type (MODEL 7006-1)
SMA (M)-SMA (F)
9 kHz to 20 GHz
1.50 (9 kHz to 10 kHz)
1.50 (11 kHz to 20 kHz)
1.30 (20 kHz to 20 GHz)
J1554A
DC Block, SMA type (MODEL 7006)
SMA (M)-SMA (F)
9 kHz to 26.5 GHz
1.50 (9 kHz to 20 kHz)
1.35 (20 kHz to 20 GHz)
1.70 (20 GHz to 26.5 GHz)
K261
DC Block
K (M)-K (F)
10 kHz to 40 GHz
See figure (return loss) below
Adapter
J0004
Coaxial Adapter
N (M)-SMA (F)
DC to 12.4 GHz
≤1.08 (DC to 3 GHz)
≤1.11 (3 GHz to 6 GHz)
≤1.18 (6 GHz to 12.4 GHz)
J1398A
N-SMA Adapter
N (M)-SMA (F)
DC to 26.5 GHz
≤1.05 (DC to 3 GHz)
≤1.07 (3 GHz to 6 GHz)
≤1.2 (6 GHz to 13.5 GHz)
≤1.3 (13.5 GHz to 20 GHz)
≤1.45 (20 GHz to 26.5 GHz)
22
Product Brochure
l
MS2830A