This product is A81-2/SMA81-2 20 TO 500 MHz CASCADABLE AMPLIFIER produced by Stellex Microwave Systems. It has high output power, high efficiency, low noise and high gain.
This datasheet describes the Stellex A80-2/SMA80-2 cascadable amplifier, a 20 to 500 MHz RF amplifier offered in TO-8, surface mount and SMA connectorized packages. Listed highlights include high output power of +15.0 dBm typical, 29 mA at +15 Vdc typical efficiency, 2.9 dB typical noise figure and greater than 24.5 dB typical gain.
The document gives guaranteed specifications at 0° to 50°C and -54° to +85°C, typical performance curves for gain, noise figure, power output and intermodulation, absolute maximum ratings, thermal data and outline drawings. Specifications are measured in a 50-ohm system at +15 Vdc nominal and are subject to change without notice.
| Frequency Range | 20 to 500 MHz |
|---|---|
| Small Signal Gain (min.) | 24.5 dB (0° to 50°C), 23.0 dB / 22.5 dB over temperature |
| Gain Flatness (max.) | ±0.2 dB (0° to 50°C) |
| Noise Figure (max.) | 3.0 dB (0° to 50°C), 4.0 dB (-54° to +85°C) |
| Power Output @ 1 dB comp. (min.) | 15.0 dBm |
| Reverse Isolation | 33 dB |
| IP3 | +28 dBm |
| DC Current @ 15 Volts (max.) | 29 mA (0° to 50°C) |
| Max. DC Voltage | +17 Volts |
| Storage Temperature | -62° to +125°C |
| Thermal Resistance | 171°C/W |
It is specified for 20 to 500 MHz, with guaranteed performance given over 0.0-500.0 MHz at both temperature ranges.
The datasheet lists a typical noise figure of 2.9 dB, with a maximum of 3.0 dB from 0° to 50°C.
It draws 29 mA typical at +15 Vdc, with a maximum of 29 mA from 0° to 50°C.
Maximum case temperature is 125°C, the same as the S Series burn-in temperature (case).