The XRF4 TX slice 3342 card specifications are provided in the following
table:
| Parameter | Specification |
|---|---|
| Channel configuration | 2 TX |
| RF shield | Aluminum cover with electrically-conductive chemical conversion coating |
| Interconnection | LPAF-10-03.0-L-06-2-K-TR |
| Frequency range | 3300-4200 MHz |
| Maximum average input power | -16 dBm |
| Minimum rated average output power @ -55 dBC ACLR | 10 dBm |
| Typical output third order intercept (OIP3) | 35 dBm |
| Minimum gain | 26 dB |
| Minimum return loss | -8 dB |
| Power consumption (W) TX | < 5W |
| I2C/SPI/GPIO/TDD logic levels | 0V/3.3V |
| Maximum I2C rate | 1 MHz |
| Maximum SPI rate | 20 MHz |
| Maximum GPIO rate | 20 MHz |
The following figure shows the block diagram for the TX Slice 3342. It consists of a balun, bandpass filtering, a gain stage, a pre-driver stage, and a digital step attenuator. The second and third figures show the typical RF small-signal response and group delay for the card.
Figure 1. XRF4 TX Slice 3342 Block Diagram
Figure 2. XRF4 TX Slice 3342 Small Signal Response
Note:
- Sd: S-differential-to-differential (Sdd) parameters
- Ss: S-single-ended-to-differential (Ssd) parameters
- Sss: S-single-ended-to-single-ended parameters
Figure 3. XRF4 TX Slice 3342 Group Delay
