Attenuators
Specifications
Frequency Ranges:
1-18 GHz as noted
Attenuation Range:
0 - 20 dB as noted
Flattness:
see table
Impedance:
50 Ohms
VSWR:
1.50 max
Insertion Loss:
0.5 dB max
Power:
5 Watts average, 3Kilowatts Peak
Operating Temperature Range:
-65 to +125C
Resetability:
0.1 dB max
Finish:
Housing is painted grey per MIL-F-14072
Connectors are Passivated Stainless Steel
Continuously Variable
Flat with Frequency Types - Subminiature
Midwest Microwave's series of Subminiature Continuously Variable
Attenuators were designed to meet the most stringent environmental
conditions. The Flat with Frequency Types are useful for applications
where a specific level of attenuation is required over a frequency band
and reasonable attenuation flattness over the frequency band is
necessary. The units are available in a Standard simple locking type
configuration, a Panel mount type with a knob, or a Turns-counting dial
type, also panel mounted, for refrence setting or if calibration is
desired. SMA connector configurations are standard, however Type
N or TNC connector configurations are also available (see note below
for designation information).
S = Standard Locking Nut Type
.84
(21.3)
Flat with Frequency Models
Frequency Atten
Range
Range Flattness
(GHz)
(dB)
(+ dB)
2.0 - 4.0
4.0 - 8.0
8.0 - 12.4
8.0 - 18.0
12.4 - 18.0
10
20
10
20
10
20
10
10
1.5
1.5
1.0
1.5
0.5
1.0
1.5
1.0
Model Number
CVA-FS82-10-SMA-79
CVA-FS82-20-SMA-79
CVA-FS83-10-SMA-79
CVA-FS83-20-SMA-79
CVA-FS84-10-SMA-79
CVA-FS84-20-SMA-79
CVA-FS85-10-SMA-79
CVA-FS86-10-SMA-79
Case
Style
2
2
2
2
2
2
1
1
P = Panel Mounting Type
.88
(22.4)
.45
(11.4)
C ase
Style
1
2
DIM "A"
.615 (15.6)
.765 (19.4)
DIM "B"
.375 (9.5)
.525 (13.3)
Notes:
1. To designate a Panel type option, subsitute "P" for "S" in the Model No..
2. To designate a Turns-Counting Dial option, subsitute "T" for "S" in the Model No..
3. To designate Type N or TNC connectors, subsitute "NNN" or "TNC" for "SMA" in the Model No.
T = Turns Counting Panel Mounting Type
50
Attenuators
1 - 18 GHz
Specifications
Continuously Variable
Level Set Types - Miniature
Frequency Range:
1-18 GHz as noted
Attenuation Range:
0 - 40 dB as noted
Impedance:
50 Ohms
VSWR:
1.50 max
Insertion Loss:
0.5 dB max
Power:
5 Watts average, 3Kilowatts Peak
Operating Temperature Range:
-65 to +125C
Resetability:
0.1 dB max
Finish:
Connectors are Passivated Stainless Steel
Housings are Irridited Aluminum Painted Grey per MIL-F-14072
Midwest Microwave's series of Level Set Miniature Continuously Variable
Attenuators were designed to meet the most stringent environmental
conditions. The Level Set Types are useful for applications where a specific
level of attenuation is required at one frequency and flattness over the
frequency band is not necessary. The units are available in a Standard
simple locking type configuration, a Panel mount type with a knob, or a
Turns-counting dial type, also panel mounted, for refrence setting or if
calibration is desired. SMA connector configurations are standard, however
Type N or TNC connector configurations are also available (see note below).
Level Set Models
Freq Range Atten Range
(GHz)
(dB)
1.0 - 2.0
2.0 - 4.0
15
10
20
30
4.0 - 8.0
10
20
30
40
8.0 - 12.4
10
20
30
40
12.4 - 18.0
10
20
30
40
Notes:
1. To designate a Panel type option, subsitute "P" for "S" in the Model No..
2. To designate a Turns-Counting Dial option, subsitute "T" for "S" in the Model No..
3. To designate Type N or TNC connectors, subsitute "NNN" or "TNC" for "SMA" in the Model No.
S = Standard Locking Nut Type
Model Number
CVA-LS91-15-SMA-79
CVA-LS92-10-SMA-79
CVA-LS92-20-SMA-79
CVA-LS92-30-SMA-79
CVA-LS93-10-SMA-79
CVA-LS93-20-SMA-79
CVA-LS93-30-SMA-79
CVA-LS93-40-SMA-79
CVA-LS94-10-SMA-79
CVA-LS94-20-SMA-79
CVA-LS94-30-SMA-79
CVA-LS94-40-SMA-79
CVA-LS95-10-SMA-79
CVA-LS95-20-SMA-79
CVA-LS95-30-SMA-79
CVA-LS95-40-SMA-79
.45
(11.4)
.88
(22.4)
.84
(21.3)
P = Panel Mounting Type
T = Turns Counting Panel Mounting Type
51
Attenuators
Flat with Frequency Types - Miniature
Specifications
Frequency Ranges:
1-18 GHz as noted
Attenuation Range:
0 - 30 dB as noted
Flattness:
see table
Impedance:
50 Ohms
VSWR:
1.50 max
Insertion Loss:
0.5 dB max
Power:
5 Watts average
Peak Power:
3 Kilowatts Peak
Operating Temperature Range:
-65 to +125C
Resetability:
0.1 dB max
Finish:
Connectors are Passivated Stainless Steel
Continuously Variable
Housings are Irridited Aluminum Painted Grey per MIL-F-14072
Midwest Microwave's series of Miniature Continuously Variable Attenuators
were designed to meet the most stringent environmental conditions. The Flat
with Frequency Types are useful for applications where a specific level of
attenuation is required over a frequency band and reasonable attenuation
flattness over the frequency band is necessary. The units are available in a
Standard simple locking type configuration, a Panel mount type with a knob,
or a Turns-counting dial type, also panel mounted, for refrence setting or if
calibration is desired. SMA connector configurations are standard, however
Type N or TNC connector configurations are also available (see note below).
S = Standard Locking Nut Type
Flat with Frequency Models
Freq Range
(GHz)
1.2 - 1.4
2.0 - 4.0
4.0 - 8.0
8.0 - 12.4
Atten Range
(dB)
15
10
20
10
20
10
20
30
Flattness
(+ dB)
1.5
1.0
1.5*
0.5
1.0
0.5
1.0
2.0
1.0
2.0
Model Number
CVA-FS91-15-SMA-79
CVA-FS92-10-SMA-79
CVA-FS92-20-SMA-79
CVA-FS93-10-SMA-79
CVA-FS93-20-SMA-79
CVA-FS94-10-SMA-79
CVA-FS94-20-SMA-79
CVA-FS94-30-SMA-79
CVA-FS95-20-SMA-79
CVA-FS95-30-SMA-79
.45
(11.4)
.88
(22.4)
.84
(21.3)
P = Panel Mounting Type
12.4 - 18.0
20
30
*Note:Flattness is +/- 1.5 dB @ 0 - 13 dB and +/- 2.25 dB @ 13 - 20 dB
Notes:
1. To designate a Panel type option, subsitute "P" for "S" in the Model No..
2. To designate a Turns-Counting Dial option, subsitute "T" for "S" in the Model No..
3. To designate Type N or TNC connectors, subsitute "NNN" or "TNC" for "SMA" in the Model No.
T = Turns Counting Panel Mounting Type
52
Attenuators
Calibrated Variable Attenuators
0 - 20 dB Precision Variable Attenuation
4.0 - 8.0 GHz Performance
Direct Dial Reading
Accurate Calibration
Flat Frequency Response
Panel Mounting Right Angle Drive Available
Specifications
Frequency:
4.0 - 8.0 GHz
Attenuation Range:
0 - 20 dB
Attenuation Accuracy:
+ 1.0 dB
Impedance:
50 Ohms
VSWR:
1.25
Zero Position Insertion Loss:
1.0 dB max
Power:
10 Watts average, 5 kW peak
Connectors:
Type N Male/Female Passivated Stainless Steel
4.0 - 8.0 GHz
Calibrated Variable Attenuator
0 - 20 dB
Bench Top
Side Panel Drive
CVA-1511-20-NNN-79
Front Panel
Right Angle Drive
CVA-1512-20-NNN-79
53
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