Aeroflex / Tektronix / CDS 53A-336 High Voltage Scanner Card

The Aeroflex/Tektronix/CDS 53A-336 is a high-voltage scanner card that routes and switches high-voltage signals in automated test systems. This reed relay scanner card provides sixteen 2-wire channels and integrates into the CDS 53/63 Series architecture for multi-channel signal routing and control in modular test configurations.

Technical Specifications

• Sixteen 2-wire channels


• Reed relay scanner card


• 2-wire signal path configuration


• Mixing capability with other scanner cards in the same card cage Electrical Performance


• Contact resistance (initial): <100 mΩ


• Contact resistance (end of reed life): 10 GΩ between all channels and chassis ground


• Duty cycle: Continuous


• Power supply: 5 V DC (4.75 V DC to 5.25 V DC operating range)


• Current draw (similar cards): ~0.80 A maximum quiescent, 0.85 A peak Environmental Specifications


• Operating temperature: -10°C to +65°C


• Storage temperature: -40°C to +85°C


• Humidity: <95% RH non-condensing at -10°C to +30°C Physical Specifications


• Dimensions (typical for 53A series): 197 mm H × 220 mm D × 13 mm W Control Interface


• ASCII character-based control from system controller (calculator or computer)


• BITE (Built-In Test Equipment) with LED indicators

Key Features

• High-voltage switching for demanding test applications


• Reed relay technology for reliable signal routing


• Modular design for integration into CDS 53/63 Series systems


• Multiple channel configuration reduces cabling complexity


• Continuous duty cycle operation

Compatibility & Integration The 53A-336 plugs directly into 53A-002 or 63A-012 card cages and operates alongside other CDS 53/63 Series scanner cards (53A-331, 53A-333, 53A-334) within a single card cage, allowing flexible multi-function test configurations.