- Description
Details
The STA-1M allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. The circuit design allows the input to accept either balanced or unbalanced signals, of either high or low impedance. This is an instrumentation type input stage which will amplify the differential input, regardless of ground reference. The output is capable of driving either high or low impedance loads, and the output may be connected either balanced or unbalanced.
RDL's SupplyFlex power input configuration is included in the STA-1M. The power supply input may be fed from a floating (not ground-referenced) 24 Vdc power source, from a bipolar power supply (+/ 12 Vdc or +/-15 Vdc) or from a ground-referenced 24 Vdc power supply.- Features
Features
- Single-Channel Audio Line Amplifier
- Balanced or Unbalanced Inputs and Outputs
- Bridge a Line to Avoid Loading
- High to Low Impedance Conversion
- Low to High Impedance Conversion
- Instrumentation Input to Isolate Ground Loops
- Precisely Match Audio Levels
- RDL® SupplyFlex™ Power Input Configuration
- Specification
Input 10 kΩ balanced or unbalanced bridge Outputs (2) 150 Ω balanced to drive low or high‑Z; 75 Ω unbalanced Output Signal +4 dBu (nominal, adjustable) Frequency Response 10 Hz to 20 kHz (+/‑0.25 dB) THD+N < 0.05% Headroom Above +4 dBu > 18 dB CMRR > 50 dB at full gain (100 Hz) Balanced Output -7 dB to +14 dB Unbalanced Output -14 dB to +7 dB Headroom >18 dB (above +4dBu) Power Requirement 24 to 33 Vdc @ 50 mA,Ground-referenced or Floating Dimensions (H x W x D) 1.55" (39.4 mm) x 3" (76.2 mm) x 0.65" (16.5 mm) - Documents
Documents
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