+12 to +30dBm
Limiter
VLM-33+
50Ω Broadband 30 to 3000 MHz
Features
Maximum Ratings
Operating Temperature
Storage Temperature
RF Input Power
CASE STYLE: FF704
• wideband, 30 to 3000 MHz
• low insertion loss 0.23 dB typ.
• fast recovery time, 10nsec typ.
• excellent VSWR 1.05:1 typ.
• low leakage power, 11.5 dBm typ.
-55°C to 100°C
-55°C to 100°C
2W
Connectors Model
Price
Qty.
(1-9)
SMA
VLM-33-S+
$46.95
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• protects low noise amplifiers and other
devices from ESD or input power damage
• military, hi-rel applications
Coaxial Connections*
INPUT
Electrical Specifications
SMA FEMALE
OUTPUT
SMA MALE
Parameter
Condition
Min.
Typ.
Max.
Units
*Suggested Connections. For reverse connections, consult Mini-Circuits.
Frequency Range
30
—
3000
0.7
MHz
dB
Insertion Loss in Linear Range
VSWR
<+5 dBm Input
0.23
1.05
—
<+5 dBm Input
1.5
:1
Input Power Limiting Range
Output Power
+12
—
+30
—
dBm
dBm
In limiting range
+11.5
Outline Drawing
1 watt pulse 50 µsec pw 1kHz duty cycle recovery
to within 90% of final value.
Recovery Time
Response Time
—
—
10
2
—
—
nsec
nsec
-30 to +30 dBm input 50 µsec, BW 1 kHz duty cycle
Input Power Range (dBm)
12 to 20
—
—
—
0.2
0.2
0.2
—
—
—
Limiting ∆ Output/1dB ∆ Input
dB/dB
20 to 25
25 to 30
Typical Performance Data
.312 Across Flats
in some models
Freq.
(MHz)
I. Loss
in Linear
Range
(dB)
VSWR
Power Output
∆ Output
in Linear
Range
(:1)
(dBm)
1dB ∆ Input
+12dBm +20dBm +25 dBm +30dBm
+12 to +20dBm +20 to +25 dBm +25 to +30 dBm
Input
Input
Input
Input
Input
Input
Input
30.00
50.00
0.06
0.04
0.04
0.04
0.06
0.10
0.21
0.19
0.23
0.26
0.28
0.30
0.32
0.35
0.40
1.23
1.13
1.09
1.06
1.02
1.02
1.04
1.02
1.04
1.08
1.11
1.15
1.19
1.25
1.32
9.98
9.93
9.81
9.72
9.50
9.22
8.75
8.42
7.75
7.71
7.81
8.00
8.31
8.83
8.86
11.21
10.96
10.83
10.84
10.47
10.07
9.82
11.69
11.36
11.24
11.26
10.85
11.07
12.14
12.94
11.97
10.06
9.23
12.33
11.66
11.58
11.91
11.57
13.00
13.57
11.59
11.48
10.16
9.47
0.15
0.13
0.13
0.14
0.12
0.11
0.13
0.25
0.46
0.48
0.37
0.26
0.13
0.01
-0.12
0.10
0.08
0.08
0.08
0.08
0.20
0.46
0.51
0.11
-0.29
-0.31
-0.30
-0.22
-0.12
0.06
0.13
0.06
0.07
0.13
0.14
0.39
0.29
-0.27
-0.10
0.02
0.05
0.19
0.25
0.32
0.69
70.00
90.00
inch
Outline Dimensions (
)
190.00
415.00
820.00
1200.00
1600.00
2000.00
2200.00
2400.00
2600.00
2800.00
3000.00
mm
B
D
E
wt
10.41
11.43
11.52
10.78
10.06
9.37
.410
1.43
.312 grams
10.41 36.32
7.92
10.0
8.58
9.53
8.29
9.55
8.91
7.94
8.31
9.91
8.25
11.70
VLM-33+
VLM-33+
POWER OUTPUT vs. POWER INPUT
POWER OUTPUT vs. FREQUENCY
16
14
12
10
8
15
10
5
0
Power Input=+12 dBm
Power Input=+20 dBm
Power Input=+25 dBm
Power Input=+30 dBm
6
-5
at 30 MHz
at 1600 MHz
at 3000 MHz
4
-10
-15
2
0
0
500
1000
1500
2000
2500
3000
-10
0
10
20
30
FREQUENCY (MHz)
POWER INPUT (dBm)
VLM-33+
INPUT VSWR IN LINEAR RANGE
VLM-33+
VLM-33+
OUTPUT VSWR IN LINEAR RANGE
DELTA OUTPUT/DELTA 1dB INPUT
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.8
0.6
0.4
0.2
0.0
12 to 20 dBm
20 to 25 dBm
25 to 30 dBm
-0.2
-0.4
0
500
1000
1500
2000
2500
3000
0
500
1000
1500
2000
2500
3000
0
500
1000
1500
2000
2500
3000
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. C
M130546
VLM-33+
ED-13537/4
DJ/CP/AM
121002
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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