By dynamically suppressing strong cellular and WLAN transmit signals, an industry first, these LNAs offer the best reception of weak GPS signals. Linearity improves with a 10 dB better IP3 under -40 to -20 dBm jamming conditions. Requiring only two external components, they save up to 50% in PCB size and 10% in component cost, offering the smallest footprint in the market.
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NXP GPS and FM Low Noise Amplifiers: Best Receptio...
Key features and benefits
- Low noise figure: 0.75 dB
- System-optimized gain of 16.5 or 18.5 dB
- Adaptive biasing dynamically suppresses strong cellular and WLAN transmit signals, resulting in improved linearity of 10 dB better IP3 under -40 to -20 dBm jamming conditions and effective GPS output with jammer powers up to -15 dBm
- AEC-Q100 qualified (BGU7004, BGU7008) for highest reliability in harsh conditions
- Only two external components required
- Small 6-pin leadless package: 1.45 x 1.0 x 0.5 mm
- Maintains optimal GPS signal reception for as long as possible
- Significant PCB savings (50%)
- Lower component cost (10%)
Key applications
- Smart phones, feature phones
- Tablets
- Personal Navigation Devices (PNDs)
- Digital Still Camera (DSCs)
- Digital Video Camera (DVCs)
- RF front-end modules (used in phones)
- Complete GPS chipset modules (used in DSCs)
- Automotive applications (BGU7004/8) : toll collection, emergency call
- Theft protection (laptop, ATM)
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Related links
Application note
- BGU7003 400 MHz and 900 MHz application (pdf) (2012-10-18)
- Externally-matched 900 MHz LNA using BGU7005 (pdf) (2011-12-07)
Leaflet
- NXP SiGe:C GPS LNAs (pdf) (2012-06-18)
Line card
- Application guide: Flat-panel TV sets (pdf) (2012-03-13)
Selection guide
- NXP's RF Manual 16th edition (pdf) (2012-06-08)
Other type
Training & events
Descriptive summary
These SiGe:C low noise amplifiers (LNAs) improve the reception of GPS signals, including GloNass and Galileo. Available in extremely small 6-pin packages, they reduce footprint, lower cost, and enhance reception in systems that use an active or patch antenna.
GPS has become a standard feature in a very wide range of consumer products, from personal navigation devices to digital video cameras, watches, electric cars, and more. GPS signal power levels are weak and below the noise floor at -155 dBm can also cause problems with GPS reception. In many of these products, especially smart phones, inter-modulation and harmonics caused by strong transmitters, such as WLAN and cellular, can drive the GPS LNA into compression.
The NXP BGU700x/BGU800x series use adaptive biasing to immediately detect any output power from jammers, and compensate by temporarily increasing the current. As a result, optimal GPS signal reception is maintained for as long as possible.
Each device in the BGU700x/BGU800x series requires only one input matching inductor and one supply decoupling capacitor to complete the design. This creates a very compact design and lowers the bill of materials. Designers can save up to 50% in PCB size and 10% in component cost. For example the BGU7005 is in a 1.45 x 1 mm package with application area at only 4.53 mm². This is 50% smaller than a comparable solution with a 9.06 mm² application area.
|
Type |
Package |
Package size |
MMIC 1 |
SMD's Appl. |
SMD size |
SMD's area |
Appl. area |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
X |
Y |
Pins |
Pitch |
Area |
X |
Y |
||||||
|
mm |
mm |
mm |
# |
mm |
mm² |
# |
mm |
mm |
mm² |
mm² |
||
|
BGU7005/7 |
SOT886 |
1.45 x 1 |
1.7 |
1.25 |
6 |
0.5 |
2.13 |
2 |
1.5 |
0.8 |
2.4 |
4.53 |
|
Competitor |
Wafer level package |
1.26 x 0.86 |
1.5 |
1.1 |
6 |
0.4 |
1.65 |
6 |
1.5 |
0.8 |
7.2 |
8.85 |
|
Competitor |
Wafer level package |
0.86 x 0.86 |
1.1 |
1.1 |
4 |
0.4 |
1.21 |
4 |
1.5 |
0.8 |
4.8 |
6.01 |
|
Competitor |
Thin small leadless package |
2 x 1.3 |
2.25 |
1.55 |
6 |
0.5 |
3.49 |
4 |
1.5 |
0.8 |
4.8 |
8.29 |
|
Competitor |
Thin small leadless package |
1.4 x 1.26 |
1.65 |
1.5 |
6 |
0.48 |
2.48 |
4 |
1.5 |
0.8 |
4.8 |
7.28 |
|
Competitor |
Thin small leadless package |
1.5 x 1.5 |
1.75 |
1.75 |
6 |
0.5 |
3.06 |
5 |
1.5 |
0.8 |
6 |
9.06 |
Products
| Type number | Description | Status | Quick access |
|---|---|---|---|
| BGU7003 | Wideband silicon germanium low noise amplifier MMIC | Download datasheet Order sample Buy online Demo boards | |
| BGU7003W | Wideband silicon germanium low-noise amplifier MMIC | Download datasheet Order sample Buy online Demo boards | |
| BGU7004 | SiGe:C Low Noise Amplifier MMIC for GPS | Download datasheet Order sample Buy online Demo boards | |
| BGU7005 | SiGe:C LNA MMIC for GPS, GLONASS, Galileo and Compass | Download datasheet Order sample Buy online Demo boards | |
| BGU7007 | SiGe:C LNA MMIC for GPS, GLONASS, Galileo and Compass | Download datasheet Order sample Buy online Demo boards | |
| BGU7008 | SiGe:C Low Noise Amplifier MMIC for GPS, GLONASS and Galileo | Download datasheet Order sample Buy online Demo boards | |
| BGU8007 | SiGe:C LNA MMIC for GPS, GLONASS, Galileo and Compass | Download datasheet Order sample Buy online Demo boards | |
| BGU8011 | SiGe:C Low Noise Amplifier MMIC for GPS, GLONASS, Galileo and Compass | Order sample Demo boards |
Demo boards
| Type number | Description | Status | Quick access |
|---|---|---|---|
| OM7622 | GPS low-noise amplifier evaluation board using BGU7003 | Order demo boards | |
| OM7624 | GPS/GNSS low-noise amplifier evaluation board using BGU7005 | Order demo boards | |
| OM7697 | GPS/GNSS low-noise amplifier evaluation board using BGU7007 | Order demo boards | |
| OM7800 | Low-noise amplifier evaluation board with BGU7003 for 2.4 GHz ISM/WLAN | ||
| OM7801 | Low-noise amplifier evaluation board using BGU7003 matched for 868 MHz ISM band | ||
| OM7802 | Low-noise amplifier evaluation board using BGU7003 matched for CMMB | ||
| OM7804 | GPS low-noise amplifier evaluation board using BGU7004 | Order demo boards | |
| OM7805 | GPS/GNSS low-noise amplifier evaluation board using BGU7008 | Order demo boards | |
| OM7806 | GPS low-noise amplifier front-end evaluation board using BGU7007 | Order demo boards | |
| OM7807 | Low-noise amplifier evaluation board using BGU7003W matched to 50 Ohm for FM radio | ||
| OM7808 | Low-noise amplifier evaluation board using BGU7003W matched to high impedance antenna load for FM radio | ||
| OM7814 | GPS low-noise amplifier evaluation board using BGU7004 | ||
| OM7815 | GPS low-noise amplifier front-end evaluation board using BGU7008 | ||
| OM7816 | BGU8007 GPS LNA evaluation board | ||
| OM7817 | GNSS/GPS low-noise amplifier front-end evaluation board using BGU8007 | ||
| OM7841 | BGU8011 GNSS LNA evaluation board | ||
| OM7842 | BGU8011 GNSS FE evaluation board |
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