The J750 is a self-contained DC to 1 GHz electrical signal amplifier. It is suitable for general-purpose instrumentation and has provision for loop-through (signal pickoff) and photodiode applications.
FUNCTION | Fixed-gain, general-purpose DC to 1 GHz amplifier with loop-through and photodiode modes |
INPUT | Input signal level: ≤ ±20 millivolts, peak Input impedance: 1 kΩ (50 Ω when loop-through connector is terminated) Highland J50 SMB terminator is furnished |
GAIN | 40 dB (100x) into Hi-Z load, non-inverting 34 dB (50x) into 50 Ω load, non-inverting |
OUTPUT | Output signal level: ≤ ±2 volt, peak (Hi-Z load) ≤ ±1 volt, peak (50 Ω load) Output impedance: 50 Ω, source terminated |
BANDWIDTH | DC to 1 GHz |
NOISE | 5 mV RMS into 50 Ω load, typical Equivalent to 100 µV RMS input noise, 3.2 nV/√Hz |
DC OFFSET | Adjustable ±1 volt (Hi-Z load, relative to output) ±500 millivolts (50 Ω load, relative to output) |
BIAS CURRENT | 8 µA, typical |
PHOTODIODE EXCITATION | +9 volts on coaxial cable shield, user selectable On/Off |
OPERATING TEMPERATURE | 0 to 60°C; extended MIL/COTS ranges available |
CALIBRATION INTERVAL | One year |
POWER | +12 volts at 100 mA, max Highland J12 power supply recommended |
CONNECTORS | Gold plated SMB Input, Loop/Term, Output jacks (SMA optional) 2.1 mm X 5.5 mm barrel power connector |
INDICATOR | LED: green power |
PACKAGING | 3.3″ (L) x 2.1″ (W) x 0.9″ (H) extruded anodized aluminum enclosure |
J750-1: single-channel compact wideband amplifier