CGS Instruments QPS400-3 Instruction Manual

4, QPS400-3 Technical Data 4/10 INSTRUMENTS ++ / • Temperature coefficient of the amplification at low frequencies: < 10 ppm/K (5 ppm/K typ.) • Signal outputs: 93 Ω BNC plug sockets • Output short circuit duration: 1 s max. Monitor Output • Attenuation: 1:40 of the output…

10, QPS400-3 Adjustment Elements 10/10 INSTRUMENTS ++ / Fig. 4. Adjustment elements of the amplifier. CT1: frequency compensation of the input stage (balancing the channels) CT2-4: frequency compensation of the monitor outputs POT1-3: compensation of the offset voltage of the monitor ou…

8, QPS400-3 Adjustment Elements 8/10 INSTRUMENTS ++ / Adjustment Elements This device is shipped to you ready to use. Adjustments should not be necessary. They should be performed only for maintenance purposes or to optimize the frequency response in the case of a special load. At…

5, CGS Instruments QPS400-3 QPS400-3 Technical Data 5/10 INSTRUMENTS ++ / Shipment Content • Quadrupole power supply unit QPS400-3 in 19" case • Line cord (universal IEC mains lead, length 1.8 m) • Output cables (3 pcs. 93 Ω coaxial cable with 93 Ω BNC jacks, length 1.2 m each) • Ground wire (flexibl…

7, QPS400-3 Getting Started 7/10 INSTRUMENTS ++ / Getting Started Before turning on the device, the rated value of the mains voltage must be set and a corresponding fuse must be installed. The device must be properly cooled. The heat sink at the rear panel must not be covered and the fan must be able…