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High Speed Current Amplifiers (Transimpedance Amplifiers) HCA-4M-500k
High Speed;transimpedance amplifier;4M-500k
Model：HCA-4M-500k
Contact：
Huang
Email: Hqy@ybphotonics.com
Huang
Email: Hqy@ybphotonics.com
Introduction
HCA-4M-500k: 4MHz transimpedance amplifier for photodetection, spectral analysis and precision measurement
Features
- Bandwidth: DC-4MHz
- Rise/Fall Time: 85ns
- Gain: 5×10⁵ V/A (@50Ω load)
- Low pulse distortion
Applications
- Photodetector preamplification
- Spectral analysis systems
- Electronic measurement
- Ion detection equipment
Specifications
Test Condition: Vs=±12V, Ta=25℃
Item Parameters Gain Transimpedance Gain 5×10⁵ V/A (@50Ω load) Gain Accuracy ±3% Frequency Response Lower Frequency Limit DC Upper Frequency Limit 4MHz (±10%, @Source Capacitance 2–4pF) Maximum Signal Source Capacitance 10pF (including RF cable parasitic capacitance) Rise/Fall Time (10–90%) 85ns (@Source Capacitance 2–4pF) Rise/Fall Time (10–90%) 90ns (@Source Capacitance 20pF) Input Input Noise Current 3.8pA/√Hz (@1MHz) Input Noise Voltage 0.9nV/√Hz (@1MHz) Input Current Range ±2μA Input Offset Voltage <2mV Input Impedance 50Ω // 5pF Output Maximum Output Voltage Range ±1.0V (@50Ω load) Output Impedance 50Ω Bias Output Bias Output Range ±12V, adjustable by potentiometer Bias Output Impedance 10kΩ // 1μF Power Supply Voltage ±12V Current ±100mA, typical Housing Weight 126g Material 6061 Aluminum Alloy Temperature Storage Temperature -40…+85℃ Operating Temperature -20…+60℃ Absolute Maximum Ratings Input Voltage ±5V Supply Voltage ±20V Connectors Input BNC Female Output BNC Female Power Connector M8 3-pin Female Connector1=Brown(+12V)2=Black(GND)3=Blue(-12V)
Application Diagram
Dimension Drawing
Delivery List
No. Name Specifications Quantity Remarks 1 High Speed Current Amplifier / 1 2 Power Cable 3-core shielded cable, M8 male, 2m 1 Power supply not included 3 RF Cable RG316-BNC-JJ, 1m 1
HCA-4M-500k: 4MHz transimpedance amplifier for photodetection, spectral analysis and precision measurement
Features
- Bandwidth: DC-4MHz
- Rise/Fall Time: 85ns
- Gain: 5×10⁵ V/A (@50Ω load)
- Low pulse distortion
Applications
- Photodetector preamplification
- Spectral analysis systems
- Electronic measurement
- Ion detection equipment
Specifications
Test Condition: Vs=±12V, Ta=25℃
| Item | Parameters |
|---|---|
| Gain | |
| Transimpedance Gain | 5×10⁵ V/A (@50Ω load) |
| Gain Accuracy | ±3% |
| Frequency Response | |
| Lower Frequency Limit | DC |
| Upper Frequency Limit | 4MHz (±10%, @Source Capacitance 2–4pF) |
| Maximum Signal Source Capacitance | 10pF (including RF cable parasitic capacitance) |
| Rise/Fall Time (10–90%) | 85ns (@Source Capacitance 2–4pF) |
| Rise/Fall Time (10–90%) | 90ns (@Source Capacitance 20pF) |
| Input | |
| Input Noise Current | 3.8pA/√Hz (@1MHz) |
| Input Noise Voltage | 0.9nV/√Hz (@1MHz) |
| Input Current Range | ±2μA |
| Input Offset Voltage | <2mV |
| Input Impedance | 50Ω // 5pF |
| Output | |
| Maximum Output Voltage Range | ±1.0V (@50Ω load) |
| Output Impedance | 50Ω |
| Bias Output | |
| Bias Output Range | ±12V, adjustable by potentiometer |
| Bias Output Impedance | 10kΩ // 1μF |
| Power Supply | |
| Voltage | ±12V |
| Current | ±100mA, typical |
| Housing | |
| Weight | 126g |
| Material | 6061 Aluminum Alloy |
| Temperature | |
| Storage Temperature | -40…+85℃ |
| Operating Temperature | -20…+60℃ |
| Absolute Maximum Ratings | |
| Input Voltage | ±5V |
| Supply Voltage | ±20V |
| Connectors | |
| Input | BNC Female |
| Output | BNC Female |
| Power Connector | M8 3-pin Female Connector1=Brown(+12V)2=Black(GND)3=Blue(-12V) |
Application Diagram
Dimension Drawing
Delivery List
| No. | Name | Specifications | Quantity | Remarks |
|---|---|---|---|---|
| 1 | High Speed Current Amplifier | / | 1 | |
| 2 | Power Cable | 3-core shielded cable, M8 male, 2m | 1 | Power supply not included |
| 3 | RF Cable | RG316-BNC-JJ, 1m | 1 |
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