200 MHz Low-Noise Voltage Amplifier
Features
Switchable Gain 20/40 dB (x10 / x100)
Bandwidth DC ... 200 MHz
Low Input Noise of 1.2 nV/√Hz
Switchable AC/DC Coupling
Applications
Oscilloscope and Transient Recorder Preamplifier
Photomultiplier and Microchannel Plate Amplifier
Signal Booster for Optical Receivers and Current Amplifiers
Time-Resolved Pulse and Transient Measurements
Specifications
Test Conditions
Vs = ± 15 V, Ta = 25°C
Gain
Gain
20/40 dB switchable
Gain Accuracy
± 0.2 dB
Frequency Response
Lower Cut-Off Frequency (-3 dB)
DC/1 kHz switchable
Upper Cut-Off Frequency (-3 dB)
200 MHz
Rise/Fall Time (10% - 90%)
1.8 ns
Input
Input Impedance
50 Ω II 12 pF
Input Voltage Noise
1.2 nV/√Hz (@ 50 MHz, 40 dB gain) 3.5 nV/√Hz (@ 50 MHz, 20 dB gain)
Intregrated Input Noise
150 µV peak-peak (@ 40 dB gain) 400 µV peak-peak (@ 20 dB gain)
Input Bias Current
20 µA
Input Offset Voltage
500 µV typ.
Input Voltage Drift
1 µV/°C
Output
Output Impedance
50 Ω (terminate with 50 Ω load for best performance)
Output Voltage
± 1 V (@ 50 Ω load, for linear amplification)
Max. Output Current
60 mA
Output Offset Trimmer Range
± 100 mV
Slew Rate
500 V/µs (@ 20 dB, 50 Ω load) 1,000 V/µs (@ 40 dB, 50 Ω load)
Power Supply
Supply Voltage
± 15 V
Supply Current
± 70 mA typ. (depends on operating conditions, recommended power supply capability min. ± 150 mA)
Case
Weight
200 g (0.5 lbs)
Material
AlMg4.5Mn, nickel-plated
Temperature Range
Storage Temperature
- 40 ... + 100 °C
Operating Temperature
0 ... + 60 °C
Absolute Maximum Ratings
Power Supply Voltage
± 20 V
Input Voltage
± 5 V
Connectors
Input
BNC
Output
BNC
Power Supply
LEMO series 1S, 3-pin fixed socket
Pin 1: + 15V
Pin 2: - 15V
Pin 3: GND
Dimensions
商品属性 [频率] DC ... 200 MHz [电压噪声] 1.2 nV/√Hz