TL378A
S-Band TR Limiter
TL378A is a broad band primerless TR Limiter designed specifically for
use with S-band radars. Consisting of a TR tube and a diode limiter,
TL378A is a small, rugged device which protects the mixer diode in the
receiver from burning out as a result of RF power coming from itself
and other radars. Longer life is expected for TL378A, when used with
circulator.
--- MAXIMUM RATINGS ---
Min Max Unit
Transmitter power (peak) ··········· - 100 kW
Operating temperature ·············· -30 +80 °CW
Ambient temperature ················ -30 +90 °C
--- ELECTRICAL (Ta=25deg.)---
Min Max Unit
Frequency range ···················· 3000 3100 MHz
V.S.W.R. (Note 1) ·················· - 1.5 -
Insertion loss (Note 1,3) ·········· - 1.5 dB
Flat leakage power (Note 2,3) ······ - 20 mW
Spike leakage power (Note 2,3) ····· - 400 mW
Recovery time (Note 2,3) ··········· - 2 µs
Notes:
1. Measured at power level 0.1 mW CW.
2. Measured at 30kW, 1.0 µs pulse width and 1000 p.p.s.
3. Measured at frequency 3050 MHz.
