M-AT Datasheet, PDF (2/4 Pages) Hirose Electric – High reliability rotary attenuator for adjusting the signal level in variety of high frequency devices

The product information in this catalog is for reference only. Please request the Engineering Drawing for the most current and accurate design information.
All non-RoHS products have been discontinued, or will be discontinued soon. Please check the products status on the Hirose website RoHS search at www.hirose-connectors.com, or contact your Hirose sales representative.
sProduct Specifications
Ratings
Frequency range
Characteristic impedance
Maximum input power
DC to 3GHz
50ø
0.3W
Operating temperature range
Operating humidity
-10ç to +65ç
Relative humidity 90% max. (No condensation)
Part number
Item
Insertion loss
V. S. W. R.
Attenuation
Attenuation frequency deviation
Input/output connectors
Weight
M-AT-1L
M-AT-1LR
M-AT-2L
0.2 dB max. (DC-2.2 GHz)
0.28dB max. (2.2 GHz- 3.0 GHz)
1.2 max. (DC-2.2 GHz)
1.25 max. (2.2 GHz- 3.0 GHz)
0 to 10dB (in 1 dB increments)
0 to 20dB (in 10 dB increments)
-0.5dB to +0.1dB(DC to 1.8GHz)
-1.0dB to +1.0dB(DC to 2.2GHz)
-0.2dB to +0.2dB(1.8GHz to 3.0GHz)
-0.5dB to +1.5dB(2.2GHz to 3.0GHz)
-0.1dB to +0.5dB(2.2GHz to 3.0GHz)
SMA Jack
28g (Excluding attachment)
Item
1. Insulation resistance
2. Withstanding voltage
3. Vibration
4. Shock
Specification
1000Mø min.
No flashover or insulation breakdown.
No electrical discontinuity of 10 µs max.
No damage, cracks, or parts dislocation.
No electrical discontinuity of 10 µs max.
No damage, cracks, or parts dislocation.
5. Temperature cycle No damage, cracks, or parts dislocation.
6. Durability
7. Humidity
No damage, cracks, or parts dislocation.
No damage, cracks, or parts dislocation.
Conditions
100V DC
100V AC / one minute
Frequency: 10 to 55 Hz, overall amplitude of 1.5mm,
acceleration of 98m/s², 3 axis, 2 hours
Acceleration of 490m/s², sine half-wave waveform, 3 cycles
/ each of 3 axis
Temperature(ç) :-55 / +5 to +35 / +85 / +5 to +35
Time(minutes) :-30 / +5 max. / +30 / +5 max.
100 cycles
10000 cycles
500 hours at temperature of 40ç and humidity of 90% to 95% RH
sMaterials and Finish
Component
Body
Connector body
Female contacts
Rotary switch body
Shaft
Material
Aluminum
Stainless steel
Beryllium copper
Zinc
Brass
Finish
Nickel plated
Passivated
Gold plated
Chromate
Nickel plated
sOrdering information
M-AT - 1 L R
1
234
1 ^{Series Name}
2 ^Suffix
3 ^{Connector direction L}
: Face the back
4 ^{Attenuation direction Blank : Clockwise}
R : Counterclockwise
Part number
M-AT-1LR
M-AT-1LR
M-AT-2LR
CL No.
361-0019-3
361-0024-3
361-0025-6
Attenuation
0 to 10 dB (in 11 dB increments)
0 to 10 dB (in 11 dB increments)
0 to 20 dB (in 10 dB increments)
Attenuation direction
Clockwise
Counterclockwise
Clockwise
2