STVVGLNA
STVVGLNA is RF amplifier manufactured by STMicroelectronics.
General-purpose, variable-gain, low-noise, RF amplifier for broadcast receiver applications
Data brief
Features
- 75-Ω single-ended input impedance
- 75-Ω single-ended or 150-Ω differential output impedance
- Dual differential or single-ended outputs
- Single 3.3-V DC supply
- Input frequency range 50 to 2150 MHz
- Fully integrated RF AGC with power monitoring
- Low external ponent count
- Low power consumption (145 m W typical)
- Temperature range -35 °C to 85 °C
- patible with 5-V and 3.3-V I2C bus
- I2C bus control (option)
- Four selectable I2C addresses C8,CA,CC,CE
Applications
- Satellite set-top boxes
- SMATV RF accessories
- LNBs
- DVB-T active indoor antennas
Package
- VFQFPN-16L 3x3x0.85 mm3 with exposed pad down (EPD)
- Environmentally friendly packaging, Ro HS
(2002/95/EC) pliant.
Description
The STVVGLNA is a general-purpose, low-noise amplifier with a gain range of -17 d B to +15 d B. Its gain is regulated either autonomously by an integrated AGC loop or by software control.
It can be used, for example, as an input amplifier for a satellite set-top box.
Figure 1. STVVGLNA block diagram
STVVGLNA AGC loop
TV1 tuner DVR...