ATZB-900-B0 Datasheet, PDF (17/20 Pages) ATMEL Corporation – ZigBit™ 700/800/900 MHz Wireless Modules

Figure 3-4. ATZB-900-B0 PCB Recommended Layout, Top View
Specifications
3.5 Soldering Profile
The J-STD-020C-compliant soldering profile is recommended, as given below.
Table 3-7. Soldering Profile⁽¹⁾
Profile Feature
Average ramp-up rate (217 °C to peak)
Preheat temperature 175 °C ± 25 °C
Temperature maintained above 217 °C
Time within 5 °C of actual peak temperature
Peak temperature range
Ramp-down rate
Note: 1. The package is backward compatible with Pb/Sn soldering profile
Green Package
3 °C/s max.
180 s max.
60 s to 150 s
20 s to 40 s
6 °C/s max.
8 minutes max.
3.6 Antenna Reference Design
This section presents PCB design which may be used to combine ZigBit 900 with an external antenna
This antenna reference designs is recommended for successful design-in.
ZigBit™ 700/800/900 MHz Wireless Modules
3-10
8227C–MCU Wireless–06/09