QPC3614
5 - 1500 MHz, 75 Ohm Digital Step Attenuator
The QPC3614 is a 75 Ohm 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.5 dB gain control range in 0.5 dB steps and has a low insertion loss of 1.2 dB at 1 GHz. The QPC3614 features three modes of control: serial, latched parallel, and direct parallel programming. Patented circuit architecture provides overshoot-free transient switching performance. QPC3614 is available in a 20-pin 4.2 mm x 4.2 mm x 0.90 mm QFN package.
Key Features
- 6-Bit, 31.5 dB Range, 0.5 dB Step
- Patented Circuit Architecture
- Overshoot-free Transient Switching Performance
- Frequency Range 5 MHz - 1500 MHz
- High Linearity, IIP3 65 dBm Typical at 1 GHz
- Serial and Parallel Control Interface
- Fast Switching Speed, < 500 nsec Typical
- RF Pads Have No DC Voltage; Can be DC Grounded Externally
- Option to Turn Off Negative Voltage Generator and Supply VSS Externally
- Power-up Default Setting Is Maximum Attenuation
Typical Applications
- Optical Nodes
- Point-to-Point
- Pre-amplifier Attenuation
- Inter-stage Attenuation
- Return Attenuation
- AGC and Tilt Control
Parameters
Technical Documents
Design Resources
Related Solutions
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