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50-4000 MHz, 3-Bit 1 dB LSB Digital Step Attenuator
The MMT20303H is an integrated 3-bit digital step attenuator with a 1 dB step size. It is controlled via a 3-bit parallel interface and operates from a 3 to 5 V supply. The MMT20303H is suitable for 3G/4G small cell transmitter and mobile radio applications using frequencies from 50 to 4000 MHz.
QFN 3 x 3, 16-Lead Package Image
製品詳細
Features
Key Features
- Frequency: 50-4000 MHz
- Maximum RF Input Power: 30 dBm (CW)
- Typical IIP3 > 50 dBm
- Programmable Attenuator with 7 dB Maximum Range, 1 dB Step Size
- Low Insertion Loss
- ±0.1 dB Typical Bit Error
- Excellent Consistency over Temperature and Supply Voltage
- Single 3 to 5 V Supply
- 50 Ohm Operation
- P1dB Independent of Control Voltage
- 3-bit Digital Control
- TTL/CMOS Interface Compatible
- Cost-effective 16-pin, 3 mm QFN Surface Mount Plastic Package
- RoHS Compliant
RF Performance Table
Typical Performance
| Characteristic | Symbol | 250 MHz |
900 MHz |
4000 MHz |
Unit |
| Insertion Loss | IL | –0.6 | –0.7 | –1.3 | dB |
| Attenuation Accuracy (Worst Case State) | — | +0.1, –0.1 | +0.1, 0 | +0.1, –0.1 | dB |
| Third Order Intercept Input Point(2) | IIP3 | 47 | 54 | 52 | dBm |
| Power Input @ 1 dB Compression | P1dB | 30 | 35(3) | 35(3) | dBm |
2. Two-tone input power = +13 dBm each tone.
3. Operate within specified maximum rating.
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