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PCIe-4QMC

PCIe-4QMC Carrier — Four VITA 93 QMC Sites

  • Supports up to four (4) single-width VITA© 93 QMC modules
  • PCIe Gen3 x8 host interface (Gen2 fallback compatible)
  • Backward compatible with PCIe r1.0a / 1.1 / 2.0 / 3.0
  • Provides up to PCIe Gen2 x4 lanes per QMC site
  • Each QMC slot (Slot 1 – Slot 4) provides a Px2 I/O interface, supporting up to 40 single-ended or 20 differential pairs per slot
  • VITA 93 dual-connector topology per site for Host and I/O
  • Front-panel I/O via high-density connectors
  • Per-site fused power protection
  • Full-height, half-length PCIe form factor 111.15 mm (4.376 in) x 167.65 mm (6.6 in)

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PCIe-4QMC

PCIe-4QMC Carrier — Four VITA 93 QMC Sites

  • Supports up to four (4) single-width VITA© 93 QMC modules
  • PCIe Gen3 x8 host interface (Gen2 fallback compatible)
  • Backward compatible with PCIe r1.0a / 1.1 / 2.0 / 3.0
  • Provides up to PCIe Gen2 x4 lanes per QMC site
  • Each QMC slot (Slot 1 – Slot 4) provides a Px2 I/O interface, supporting up to 40 single-ended or 20 differential pairs per slot
  • VITA 93 dual-connector topology per site for Host and I/O
  • Front-panel I/O via high-density connectors
  • Per-site fused power protection
  • Full-height, half-length PCIe form factor 111.15 mm (4.376 in) x 167.65 mm (6.6 in)

The ALPHI PCIe-4QMC Carrier is a high-performance PCI Express® expansion card that hosts up to four single-width VITA 93 (QMC) mezzanine modules. It integrates high-speed I/O, signal-processing, and communication functions into workstation, server, or embedded PC platforms. Each QMC site connects through a dedicated PCIe Gen2 x4 interface via an on-board switch, providing exceptional throughput and modular flexibility. Air and conduction-cooled mechanical options support deployment in both commercial and rugged environments.

Technical Specifications:

  • Meets ANSI/VITA 93.0 (QMC) Standard
  • Four single-width modules (26 × 78.25 mm)
  • PCIe Gen2 x4 interface per site
  • Dual high-speed Host and I/O connectors
  • Differential and single-ended I/O support
  • 100MHz refclk and programmable clocks
  • I²C/SMBus management and FRU EEPROM
  • 12V/3.3V power inputs, 25W per site typical
  • Air or conduction-cooled options
  • System and site-level reset control

PCIe Bus Features:

  • PCI Express Gen3 x8 edge connector (Gen3 compatible)
  • High-speed switch fabric to four QMC sites
  • Up to 64GT/s aggregate throughput
  • Transparent PCIe endpoint operation
  • Hot Reset and Link Training per lane
  • Compliant with PCIe Base Spec 4.0
  • Backward compatible with PCIe 3.0/2.0

Operating Environment:

  • Operating Temperature:
    • Commercial: 0°C to +70°C
    • Industrial: –40°C to +85°C
  • Non-Operating Temperature: –45°C to +125°C
  • Airflow Requirement: 5 CFM minimum
  • Humidity: 5% to 90% (non-condensing)
  • Altitude: 0 – 10,000 ft

Mechanical: Environmental:

  • Form Factor: Full-height, half-length PCIe add-in card (111 mm × 167.65 mm typ.)
  • Power: Approx. 25W per site (typical) derived from +12V and +3.3V PCIe slot rails or auxiliary ATX power connector for full 100W support
  • Front-Panel I/O: VHDCI connectors with jack-screw retention for secure mating
  • Vibration: 0.5 G (RMS), 20 – 2000Hz random
  • Shock: 20G, 11ms, ½ sine pulse
  • Weight: 120 g (≈ 4.2oz)
  • MTBF: > 250,000 hours (calculated)

QMC Interface Features:

  • Dual-stack Molex VHDCI connectors for front-panel I/O
  • High-density 68-pin per connector stack supporting differential and single-ended signals
  • Routed per VITA 93 I/O map for flexible module-specific pin assignments
  • Supports up to 10Gb/s per differential pair (controlled impedance routing)
  • Ground shielding and strain-relief hardware for signal integrity and durability
  • Compatible with air- or conduction-cooled configurations

Software Support:

  • LabVIEW® Support
  • Linux® drivers
  • Windows® 10/11 drivers
  • QNX® drivers
  • VxWorks® drivers

Typical Applications:

  • For applications requiring low cost, high density I/O or unique I/O combinations, the PCIe-4QMC is the perfect solution.
  • For a complete list of VITA 93 QMC Modules offered by Alphi Technology please visit our WEB site at www.alphitech.com

Ordering & Options

  • Part Number: PCIe-4QMC Four-Site VITA 93 QMC Carrier Board

Operating Temperature:

  • C: 0°C to +70°C
  • I: -40°C to +85°C
  • CC: Conformal Coated HumiSeal 1A33

Optional Accessories

  • Part Number: TB-68VHDCI Terminal Block 68 VHDCI to Screw Terminal
  • Part Number: CBL-68VHDCI-1M 68-pin VHDCI male-to-male, Cable 1m

Data Sheet – Link Here

  • Supports up to four (4) single-width VITA© 93 QMC modules
  • PCIe Gen3 x8 host interface (Gen2 fallback compatible)
  • Backward compatible with PCIe r1.0a / 1.1 / 2.0 / 3.0
  • Provides up to PCIe Gen2 x4 lanes per QMC site
  • Each QMC slot (Slot 1 – Slot 4) provides a Px2 I/O interface, supporting up to 40 single-ended or 20 differential pairs per slot
  • VITA 93 dual-connector topology per site for Host and I/O
  • Front-panel I/O via high-density connectors
  • Per-site fused power protection
  • Full-height, half-length PCIe form factor 111.15 mm (4.376 in) x 167.65 mm (6.6 in)

 

Mechanical Interface

Switched Mezzanine Card (XMC) Interface confirming to ANSI/VITA 42.0-2008 (Auxiliary Standard)

Standard single-width (149mm x 74mm)

Electrical InterfacePCI Express x4 Link (Base Specification 2.1) compliant interface conforming to ANSI/VITA 42.3-2006 (PCI Express Protocol Layer Standard)
PCI Express SwitchPI7C9X2G312GP (Pericom)
PCI Express to PCI BridgeXIO2001 (Texas Instruments)
User configurable FPGA

TXMC639-10R: XC7K160T-2FBG676I (AMD)

TXMC639-11R: XC7K325T-2FBG676I (AMD)

SPI-FlashMT25QL128 (Micron) 128 Mbit (contains TXMC639 FPGA BRD) or compatible; +3.3 V supply voltage
DDR3 RAM2x MT41K256M16TW-107 (Micron) 256Meg x 32 bit
Board Configuration ControllerLCMXO2-7000HC (Lattice)
ADCLTC2320 -16 (Analog Devices)
DACAD5547BRUZ (Analog Devices)
A/D Channels

TXMC639-10R: 8 Differential 16bit A/D Channels

TXMC639-11R: 16 Differential 16bit A/D Channels

Input Configuration per BCC Device:

Input Voltage Ranges:

Differental : ±20.57 V, ±10.28 V or ±5.14 V

(Single-Ended: ±10.28 V, ±5.14 V or ±2.57 V)

All analog inputs are connected via an impedance converter and a second operation amplifier for level adjustment and filtering to the differential ADC inputs.

The -3 dB limit of this input stage is at approx. 8MHz

D/A Channels

TXMC639-10R: 4 Single-Ended 16 Bit D/A Channels

TXMC639-11R: 8 Single-Ended 16 Bit D/A Channels

Output range configurable per D/A channel.
Simultaneous Conversion for all D/A Channels.

Maximum single-ended Output Voltage – Vout: ±10 V

Maximum Output Drive Current for each Output: 10 mA

Maximum Capacitive Load for each Output: 1000 pF

Typical Settling Time for a 10 mA / 1000 pF: < 1 µs

Digital Front I/O Channels

32 digital I/O Lines

  • Default configured as 32 ESD-protected TTL lines
  • 16 I/O lines are configurable as 8 differential RS422 I/O lines with individual Termination enable.
Digital Rear I/O Channels

64 direct FPGA I/O lines to P14 Rear I/O connector

  • Can be used as single-ended or differential I/O
  • FPGA I/O Standard: LVCMOS25, LVTTL25 and LVDS25

4 MGT line to P16 Rear I/O connector

  • Each line consists of one differential RX and TX pair.
  • Transmission speeds of up to 3.125 Gb/s are possible.
Front I/OFront I/O Samtec – ERF8_050_01_L_D_RA_L_TR
P14 Rear I/O64 pin Mezzanine Connector (Molex 71436-2864 or compatible)
P16 Rear I/O114 pin Mezzanine Connector (Samtec – ASP-105885-01)
Power Requirements 1)

Depends on FPGA design

With TXMC639 Board Reference Design / without external load

 typical @ +12 V VPWRtypical @ +5 V VPWR
TXMC639-10R1.1 A2.5 A
TXMC639-11R1.3 A3.3 A
Temperature RangeOperating: – 40 °C to + 85 °C
Storage: – 55 °C to + 125 °C
MTBF 1)157 000 h to 161 000 h
Humidity5% – 95% non-condensing
Weight140 g

1) depends on variant, for further details see User Manual

 

TXMC639-10R

 

8x Analog In, 4x Analog Out, XC7K160T-2FBG676 Kintex™ 7 FPGA

AMD Kintex™ 7 FPGA (XC7K160T-2FBG676), 1GB DDR3, 8x Analog In, 4x Analog Out, 32x digital Front I/O, 64x direct FPGA Rear I/O Lines and 4x MGTs Rear I/O

TXMC639-11R

 

16x Analog In, 8x Analog Out, XC7K325T-2FBG676 Kintex™ 7 FPGA

AMD Kintex™ 7 FPGA (XC7K325T-2FBG676), 1GB DDR3, 16x Analog In, 8x Analog Out, 32x digital Front I/O, 64x direct FPGA Rear I/O Lines and 4x MGTs Rear I/O

SOFTWARE

Device Driver for Board Family with Reconfigurable FPGA

Data Sheet – Link-Here

User Manual – Link-Here

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