Horizontal Sweep Unit (Unit-7) for P-18 Radar
Ensuring those we serve always stay ahead and ready.
Description
Generates sawtooth pulses for horizontal CRT sweep, synchronized with antenna or cursor rotation. Provides control voltages (sine/cosine) for sweep control and sends angle-based voltages to Unit-8 (PPR).
Specifications
Inputs: Sine/Cosine signals from Unit-24 (Cursor) & Unit-28 (Antenna)
Outputs:
- Waveforms: Sawtooth (sweep), Square pulses (timing)
- Sweep Amplitude: ? Sine of antenna/cursor angle
- Modes: Cursor sweep / Antenna sweep (via commutation)
- Drives: Horizontal deflection + Dynamic focusing coils
- Synchronization with antenna rotation
- Cursor/antenna sweep commutation
- Outputs sine & cosine control voltages
- Supports dynamic focusing of CRT
- Sends antenna sine voltage to Unit-8 (PPR)
- Square pulse timing per range scale
User
Indian Air Force
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