HEM393B/HE393B is a wideband amplifier with a frequency range of 10-500MHz. It uses active bias design to provide temperature compensation, good 50Ω impedance matching, easy cascading, microwave thin film circuit structure, stable and reliable electrical performance, and standard fully sealed tube shell packaging to meet military temperature operating conditions: -55℃ to +85℃
This manual provides the key performance features of the HBM HE393B/HEM393B broadband amplifier, including its 10‑500 MHz frequency range, high gain, and good impedance matching. It also lists the operating temperature range of –55 °C to +185 °C and the required supply voltage.
The document contains detailed specifications such as small‑signal gain, gain flatness, VSWR values, output power, and maximum input power, as well as physical dimensions and installation instructions for proper mounting. This manual is written in Chinese.
| Frequency range | 10‑500 MHz |
|---|---|
| Small‑signal gain | 17 dB |
| Gain flatness | 0.5 dB |
| Output power | 16.5 dBm |
| Maximum input power | +10 dBm |
| Operating temperature range | -55 °C to +185 °C |
The amplifier operates from 10 MHz up to 500 MHz.
Typical small‑signal gain is about 17 dB.
It can operate from –55 °C to +185 °C.