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
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