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Black Magic Missile Works

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Monday, December 09, 2019

Aerodynamic Blade Antennas provide low aerodynamic drag, small size, low weight and excellent RF characteristics. Multiple antennas (see Splitters) are strongly recommended to optimize Telemetry performance and coverage.

RF Splitters provide a means to connect multiple antennas to a single Telemetry System (including Redundant Modem systems with a single RF Amplifier). Multiple antennas are required on airframes to assure best possible coverage under various orientations of the airframe, utilizing 2, 3 or 4 antennsas at intervals of 180 degrees, 120 degrees and 90 degrees respectively. Both 900 MHz. and 2.4GHz. Splitters are available (currently no support for 400 MHz.).

DPDT RF Relay for Transfer Bypass of RF Amplifier for reduced power consumption when Telemetry Module power is sufficient (on pad). Rated for 1,000,000 cycles for High Reliability operation, this design uses a Failsafe Actuator with a break before make configuration. The switch exhibits exceptional electrical performance specified from 0.2dB max for insertion loss and 60 dB minimum for isolation, and guaranteed over -55C to +85C. The assembly requires an operating voltage of +28VDC. External connector include solder terminals and SMA Female connectors

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