Amplifier and Photoreceiver >> Voltage Amplifier >> DC to 100 kHz Variable Gain Amplifier 

DC - 100 kHz Variable Amplifiers Gain Up to 1 TΩ Input

Model

DLPVA-100-BUN-S

DLPVA-100-BLN-S

DLPVA-100-B-S

DLPVA-100-B-D

DLPVA-100-F-S

DLPVA-100-F-D
Input stage Single ended,bipolar Single ended,bipolar Single ended,bipolar True diff.,bipolar Single ended, FET True diff., FET
Input 1 kΩ, BNC 1 MΩ, BNC 1 MΩ, BNC 1 MΩ, Lemo® 1 TΩ, BNC 1 TΩ, Lemo®
Typical Source Impedance <50 Ω <100 Ω <1 kΩ <1 kΩ <1 GΩ <1 GΩ
Lower Cut-Off Frequency 1.5 Hz
(AC only)
 DC/
1.5 Hz
 DC/
1.5 Hz
 DC/
1.5 Hz
 DC/
1.5 Hz
 DC/
1.5 Hz
Upper Cut-Off Frequency [kHz] 1/100 1/100 1/100 1/100 1/100 1/100
Gain [dB] 40/60/80/100 40/60/80/100 20/40/60/80 20/40/60/80 20/40/60/80 20/40/60/80
Input Noise Voltage
[nV/√Hz]
 0.4 0.7 2.4 3.6 5.5 6.9
Input Voltage Drift
[µV/°C]
 - 0.5 0.7 0.7 1.3 1.3
CMRR - - - 120 dB max. - 120 dB max.
Output <100 Ω, BNC
Output Voltage ±10 V (@ 100 kΩ load)
Digital Control TTL, CMOS, opto-isolated
NOTE: Bandwidth and frequency response are independent of detector capacitance. Guaranteed and 100 % tested up to 10 nF for each amplifier (up to 1 nF for LCA-400K-10M).

Output voltage ±10 V @ >10 kΩ load. Offset adjustable by trimpot. Output short-circuit protected. 
​*Pictures shown above are for reference only.  Actual product may differ slightly.  
**Some products may not be available in all countries. Please contact us for further information and clarification.
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