CSBA Low Noise Bipolar Current Supply

CSBA provides very low noise current in either ±10 mA or ±200 mA ranges.

Main features:

• Adjustment via a single 10-turn knob
• Current drift: <10 ppm/°C
• Compliance voltage: 1 V

CSBA-10

• Current range: ±10 mA
• Current noise density: TBD pA/Hz^1/2

CSBA-200

• Current range: ±200 mA
• Current noise density: 400 pA/Hz^1/2

Interface

• Current output: one SMA connector
• Current adjustment: 10 turn potentiometer
• Analog servo input: SMB connector
  • Modulation input range: ±5 V
  • With offset switch enabled: Modulation output is 10% of full scale (2 mA/V for ±10 mA range)
  • With offset switch disabled: Modulation output is 100% of full scale (40 mA/V for ±200 mA range)
  • Modulation bandwidth: 3 MHz
• Power: 5 V USB or ±9 V, USB power cable provided

Performance

Ordering

• CSBA-10, Low noise bipolar current supply, ±10 mA. $1250.

• CSBA-200, Low noise bipolar current supply, ±200 mA. $1250.