Ladder type: Only two resistors in signal path
Switching type: MBB (Make Befor Break)
Number of steps: 48
Attenuation range: -60 dB ... 0 dB
Attenuation per step: steps 1 to 11 - 2dB, 12 to 48 - 1dB
Contact material: Hard silver 99,99% Ag
Silver thickness: 30 um
Polished wiper and contact pins
Entire signal path silvered - also resistors and solder points!
Silver is put direct on copper
Extremely short signal path
Channel matching: +/-0.1 dB
Resistance: 10, 25, 50, 100, 250 kohm or custom values
Resistors: 1% 100ppm , 1/10W, low noise, non-inductive, metal film
Mechanical life: > 50 000 cycles
CNC machined PA11 aluminium body (shielded)
Precision ball bearing support
Shaft diameter: 6 mm
Indexing angle: 7,2 deg
Order:
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