L-Band Microwave Discrete Attenuator
- Purpose: Construction of radio transceivers.
- Year of release: 2014
- Guaranteed service life (years): 3
- Estimated production / delivery time (months): 10
- Flight qualification of the product: No
- Possibility to adapt the product to customer requirements: No
| Parameter | Value |
|---|---|
| W*H*T | 6.35*6.35*1 mm |
| Weight | 1 g |
| Supply voltage | 5.0±0.15 V |
| Operating temperature range | -60 - +85 C° |
| Digital Supply Voltage | 2.5 В ± 0,15 V |
| Case | 5130.16.АН3 |
| Consumption current | 0.05 А |
| Clock frequency | 100…1550 MHz |
| Amplitude Adjustment Range | 31.5 dB |
| Gear ratio | 3 dB |
| Noise figure | 7 dB |
| Input Compression Point | -5 dBm |
Attenuator (ATT) is designed to control the amplitude of the input signals of the L-band. The MMIC is developed on the basis of silicon-germanium BiKMOS technology.
MMIC ATT is a parallel-serial chain of resistive blocks, switched using MOS keys. An amplifier has been added to the circuit to obtain a positive transfer coefficient.
The switching of the ATT states is carried out by a control circuit included in the MMIC, in parallel with a 6-bit code MMIC ATT is intended for L-band radio equipment, including:
- satellite communications and navigation,
- radar equipment.
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