09 | Keysight | E4727A Advanced Low-Frequency Noise Analyzer - Data Sheet

E4727A(K03) output module specifications

The output module accepts tri-axial force and sense inputs from the SMU, applies low-pass

filtering and a variable and controllable load impedance. The same output module output

connector serves as the noise receiver input. In the noise receiver path to the digitizer, the

output module is equipped with 5 possible low-noise amplifiers to maximize flexibility in the

types of devices measured.

LPF

Number of LPFs

2

LPF1

LPF2

Cut-off frequency

0.03 Hz

0.53 Hz

Series resistance (Rlpf_output)

5 kΩ

300 Ω

Maximum voltage

± 200 VDC

± 200 VDC

Maximum current

± 0.1 A

± 0.1 A

Output resistances

Resistor values

0 to 100 MΩ (25 selections)

Accuracy

± 0.5%

LNAs

Number of LNAs

5

LNA1

LNA2

LNA3

LNA type

Voltage

Voltage

Voltage

Current

Current

Frequency range

0.03 Hz to 1 MHz

1 Hz to 1 MHz

1 Hz to 40 MHz

0.03 Hz to 100 kHz

1 Hz to 100 kHz

Input voltage noise

density

Hz

@ 10 kHz

0.67

nV

1.5

nV

—

—

Input current noise

density (max)

100

fA

100

fA

Hz

@ 10 kHz

3

pA

Hz

@ 10 kHz

3

pA

Hz

@ 10 kHz

Corner frequency

20 Hz

200 Hz

200 Hz

200 Hz

200 Hz

Maximum input

voltage

± 200 VDC

± 200 VDC

± 200 VDC

± 5 VDC

± 5 VDC

Maximum input

current

—

—

—

± 30 mA

± 30 mA

Output impedance

220 Ω

220 Ω

220 Ω

220 Ω

220 Ω