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Watkins-Johnson WJ-9205 21.4 MHz Signal Monitor Technical Specifications
Basic Function: A spectrum/signal monitor that visualizes IF (Intermediate Frequency) signals from receivers.
Central Frequency Support: 21.4 MHz standard IF input unit.
Multi-Signal Tracking: Real-time data tracking and independent trace display support for up to 3 different receivers at the same time.
Sweep Width Options (Sweep Widths / Span): Selectable steps of 50 kHz, 100 kHz, 200 kHz, 500 kHz to 1 MHz, 2 MHz, and 5 MHz.
Resolution Bandwidth (RBW): Standard 10 kHz resolution (Optional 2 kHz resolution support).
Vertical Display: 70 dB logarithmic scaled CRT display unit.
Input Sensitivity: Input sensitivity of -100 dBm for the minimum distinguishable signal.
Input Attenuator: Nominal attenuation levels from 0 to 60 dB (in 10 dB increments) that can be controlled from the front panel.
Front Panel Controls: Quick function/mod selection (Trace, Input, Span, RBW, Atten) and intensity adjustment via the digital button set.
Memory Function: Integrated preset (Preset), store (Store), and shift (Shift) button structure for saving and recalling test settings.
Remote Control Option: IEEE-488 interface support.
Design: Ruggedized rack-mount (cabinet-type) front panel chassis designed for military, industrial laboratories, and communications monitoring stations.

SKU: DSOX3052T