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ELVA-1 offers driver devices for control of solid-state, electrically controlled attenuators of the VCVA series (operating up to 170 GHz).
Analogue Linear Driver, Part No. ADL-10/100
This driver converts 0 – +10 V input volts to 0 – +100 mA biasing current, which is fed to the attenuator.
Specifications
| Input signal: 0..+10 V;Output current: 0…100 mA; Power supply: +/-12 V DC 120 mA(max);
Control Input/Output connectors: SMA female. |
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Analogue Linear Driver with fast switching mode, Part No. ADLFM-10/100
This driver provides two modes of operation: ‘slow mode’ and ‘fast mode’. In ‘slow mode’, the driver operates as a linear voltage to the current converter and converts the 0… +10 V input voltage range to 0 … +100 mA output current. The second mode allows the use of VCVA as an “on/off” fast modulator. In “fast mode” the driver applies a short negative voltage pulse to accelerate the fall time. The typical Response Function of the attenuation for VCVA is shown in the plot below.
Specifications for slow mode
| Input signal: 0..+10 V; |
Output current: 0…100 mA;
Power supply: +/-12 V DC 120 mA(max);
Control Input/Output connectors: SMA female. 
Attenuation response function for ‘slow’ and ‘fast’ modes
GPIB Driver, Part No. GPDVC-15/100
This driver can operate via the GPIB interface. The user should send 12-bit code for setting the desired attenuation. The driver converts the sent code in biasing current in the 0-100 mA range.
Download GPDVC-15/100 manual for more detail.
Specifications
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Input range: 12 bits; Output current: 0…100 mA; Power supply: 100-240 V AC; Control Output connectors: SMA female. |
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Digital Drivers
Upon request, Elva-1 can design a driver with any digital interface.