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Hardware
Systems
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Programmable Attenuator
TDT has built more than 2000 programmable attenuators over the last 20 years, improving and perfecting the design with each new hardware generation. Our latest version, the PA5 Programmable Attenuator is a precision device for controlling signal levels over a wide dynamic range. The device is fully programmable; however, simple manual operation is also available using front panel controls.
Part number: PA5
Technical specifications:
| Frequency range: |
DC - 200 kHz |
| Attenuation range: |
0.0 to 120.0 dB |
| Resolution: |
0.1 dB |
| Attenuation accuracy: |
0.05 dB |
| Attenuation switching time: |
5 ms |
| Switching transient: |
< 8 mV |
| S/N (typical): |
113 dB (20 Hz to 80 kHz at 9.9 V) |
| Noise floor: |
16 µV rms (20 Hz to 80 kHz) |
| THD (typical): |
< 0.003%
(1 kHz tone +/-7 V peak @ 0 dB atten) |
| Spectral variation: |
< 0.04 dB (20 Hz to 80 kHz) |
| DC offset: |
< 10 mV |
| Input signal range: |
+/-10 V peak |
| Input impedance: |
10 kohm |
| Output impedance: |
10 ohm |
| Power and communication: |
zBus required |
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