HE388D-4/HEM388D-4 integrated wideband amplifier adopts microstrip circuit structure, with stable and reliable electrical performance. It meets military temperature working conditions: -55℃～+85℃, frequency range: 20～600MHz, low noise: 0.6dB(typical value) , large dynamic: 20dBm(typical value), good 50Ω impedance matching, easy to cascade.
The manual provides the technical specifications and typical performance curves for the HE388D-4/HEM388D-4 integrated broadband amplifier. It includes frequency range, gain, VSWR, power handling and operating temperature limits.
Installation notes describe the connector types, recommended external components and mechanical dimensions, with reference to the accompanying dimension drawing. The document also lists contact information for technical support. This manual is written in Japanese.
| Frequency range | 20‑600 MHz |
|---|---|
| Small‑signal gain (Gp) | ≈21 dB |
| Gain flatness (AGp) | ≤0.2 dB |
| Maximum output power | +6 VpC |
| Maximum input power | +13 dBm |
The amplifier operates from 20 MHz to 600 MHz.
Typical small‑signal gain is about 21 dB.