Backplane / VITA
There are two module sizes that provide application flexibility. Four-position modules (VITA 67.1) are intended for 3U VPX, in slots P2/J2. Suited for 6U systems, the eight-position modules (VITA 67.2) are to be used in slots P5/J5 or P6/J6.
Precision machined from either stainless steel or aluminum, the 4 and 8 position housings are available with pre-loaded SMPM adapters or a cost effective, direct snap-in, cable mount SMPM contact. The right angle daughter card modules are offered with the direct snap-in SMPM contacts designed for both .047” and .086” flexible semi-rigid cable. To conform to the standard, the daughter card modules are right angled, and the Motherboard modules are vertical. Both are typically cable terminated.
VITA 67 Applications:
VITA OpenVPX™ compliant solution | .240” center-to-center spacing |
VITA 67.1: 4 position RF housing | SMPM dimensions in accordance with Mil-STD-348 |
VITA 67.2: 8 position RF housing | SMPM RF contacts operate to 40 GHz |
Housings machined from stainless steel or aluminum |
Electrical, Mechanical & Environmental Specifications
Electrical – SMPM Contacts
Characteristic Impedance: 50 ohms
Operating Frequency: DC to 40 GHz
Mechanical
Axial Travel: .079” Min
Radial Float: ±.010” Min
Engage Force: 3.5 lbs (typical per contact)
Environmental
Temperature Range: -55 to 105°C
VSWR:
1.25:1 TYP. DC to 26.5 GHz (Connectors Only)
1.4:1 TYP. 26.5 GHz to 40 GHz (Connectors Only)
Insertion Loss: 0.12 * √f (GHz), DC to 26.5 GHz
Isolation: > 100 dB, DC to 26.5 GHz
Operating Voltage: 200 volts AC