Industrial Manuals

The HE383B-2/HEM383B-2 is an integrated broadband amplifier with a frequency range of 100 to 600 MHz, a low noise of 1.7 dB (typical), good 50Ω impedance matching, easy cascade use, a microwave thin-film circuit structure, stable and reliable electrical performance, and a standard hermetically sealed metal tube shell. It satisfies military temperature working conditions of -55℃ to +85℃.

This document introduces the RF/microwave integrated amplifier series in the Shijiazhuang City 179 Mailbox 76 Mailbox. The series includes HE321D/HEM321D/HES321D integrated broadband amplifiers, which have the characteristics of wide frequency range, flat gain, good impedance matching, and stable and reliable electrical performance.

HE386B/HEM386B/HES386B integrated wideband amplifier, working frequency is 10-200MHz, low noise, large dynamic range, good 50Ω impedance matching, easy to cascade.

HE381B/HEM381B/HES381B integrated broadband amplifiers are a kind of amplifiers with frequency range of 20~500MHz, good 50Ω impedance matching, easy to cascade, and microwave thin film circuit structure.

HE761/HEM761 is an integrated broadband VGC/AGC amplifier with a frequency range of 20 to 500MHz. It uses active bias design to provide temperature compensation. It has good 50Ω impedance matching and is easy to cascade. The microwave thin-film circuit structure has stable electrical performance and is packaged in a standard hermetically sealed tube shell. It meets military working conditions of -55℃ to +85℃.

This document introduces the features and characteristics of the HE578C single-chip integrated amplifier, including gain and frequency curves, VSWR and frequency curves, noise and frequency curves, and power and frequency curves. The integrated amplifier has wide bandwidth, small size, and input and output impedance matching of 50Ω, and is suitable for military temperature working conditions.

This document introduces the RF/microwave integrated amplifier series of a company in Shijiazhuang City, China. The products include HE396A/HEM396A/HES396A integrated broadband amplifiers. The products have the characteristics of wide frequency range, good impedance matching, and stable and reliable electrical performance, suitable for military applications and other occasions.

HE390C is a RF/microwave integrated amplifier produced by Hebei Mingmei Electronic Co., Ltd. Its frequency range is 20~1000MHz, gain is 13dB, noise figure is 3.0dB, input VSWR is 1.8:1, output VSWR is 1.6:1, and linear output power is 30dBm.

HE394B/HEM394B integrated broadband amplifier, with a frequency range of 10 to 1000MHz, uses active bias design to provide temperature compensation, good 50Ω impedance matching, easy cascading, microwave thin film circuit structure, stable electrical performance, standard full sealing tube shell packaging, meets military temperature working conditions: -55℃ to +85℃.

This document provides detailed specifications and instructions for the EA448 generator automatic voltage regulator from Kutai. This product is suitable for auxiliary winding or permanent magnet brushless generators and is compatible with Leroy Somer's R448, R449, R438 and other AVR models. The features of the product include a voltage adjustment rate of less than ±0.5%, LAM function to increase stability during load moments, frequency selection of 50/60 Hz, low frequency protection and overexcitation current limitation functions, optional single-phase or three-phase voltage detection, slow start function to stabilize initial voltage, and two-stage response time for stable adjustment.

The EA448 generator automatic voltage regulator is a product suitable for auxiliary winding or permanent magnet brushless generators. Its voltage adjustment rate is < ±0.5%, it has LAM function to increase the stability of the instantaneous load, and it selects 50/60 Hz with a connection line. It has low frequency protection and over-excited magnetic current limiting functions, and can choose single-phase or three-phase voltage detection functions. It has a slow start function to stabilize the initial voltage and has two-stage response time stabilization adjustment.

This document introduces the EA15A3H generator automatic voltage regulator board from Taiwan Kutai Company. The board is suitable for self-excited brushless generators and has features such as voltage adjustment rate less than ±1%, suitable for 220/380/440VAC brushless generators, and low-frequency protection and voltage slow build-up functions.

This document introduces a three-phase detection generator automatic voltage regulator board called EA15A3H, which is suitable for self-excited brushless generators. The features include a voltage adjustment rate of less than ±1%, suitable for 220/380/440VAC brushless generators, three-phase voltage detection, 15ADC large output current, selectable frequency of 50/60 Hz, low frequency protection and voltage slow build-up function, adjustable voltage, stability, and low frequency protection settings, and high breaking capacity fuse protection.