LTE_tx_load_pull_matching_tuning

1. 1
B1 B3 B2_ROW B20 B28A and
B28B Tx load pull matching
tuning
Jay Chang

2. PA_33p_NM_3.5n_NM_27n_Dup_5.6n_5.6p_NM_ANT
port1 port2
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
B20 Tx
2

3. 3
B20 mid channel Tx corresponding ACLR and current consumption

4. B28B Tx case1
PA_33p_NM_22p_NM_SP2T_33p_47n_15n_Dup_5.1n_22p_NM_ANT
port1 port2
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
4

5. B28B Tx case2
PA_33p_NM_22p_NM_SP2T_33p_NM_15n_Dup_5.1n_22p_NM_ANT
port1 port2
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
5

6. 6
B28B Tx Claire best ANT port
PA_33p_NM_22p_NM_SP2T_33p_NM_15n_Dup_3.9n_15p_2.4p_ANT
port1 port2
3.9n_15p_2.4p_ANT =(define) c

7. 7
B28B Tx case3
PA_33p_NM_22p_NM_SP2T_15n_NM_33p_Dup_c
port1 port2

8. 8
B28B Tx case4
PA_33p_NM_22p_NM_SP2T_33p_27n_15n_Dup_c
port1 port2

9. B28B mid channel Tx corresponding ACLR and current consumption
9

10. B28A Tx case1
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
10
3 types of topology 任君挑選
PA_33p_NM_33p_0.7p_15n_Dup_5.1n_12p_NM_ANT
port1 port2

11. B28A Tx case2
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
11
3 types of topology 任君挑選
PA_33p_8.2n_4.3n_0.5p_33p_Dup_5.1n_12p_NM_ANT
port1 port2

12. B28A Tx case3 (其實是case1的延伸)
MURATA s3p:
Port 1 is antenna port,
port 2 is Tx port and
port 3 is Rx port.
12
3 types of topology 任君挑選
PA_33p_1p_7.5n_NM_7.5n_Dup_5.1n_12p_NM_ANT
port1 port2

13. 13
B28A mid channel Tx corresponding ACLR and current consumption

14. 14
B2_ROW Tx
PA_22p_up_22p_NM_0.6n_NM_22p_Dup_3.2n_22p_NM_ANT
port1 port2

15. 15
B2_ROW Tx insertion loss
高頻 high channel 掉~0.9 dB
符合預期

16. 16
B2 mid channel Tx corresponding ACLR and current consumption

17. 17
B1 Tx
AVAGO optimize
matching

18. 18
B1 Tx
semi2 reproduce AVAGO optimize matching
所以重調

19. 19
B1 Tx case1 (B1 Rx freq in open circuit)
PA_22p_NM_0.6n_NM_6.2n_QPx_1.4n_22p_NM_22p_ANT
port1 port2

20. 20
B1 Tx case2 (if case1 exist desense then use case2 B1 Rx freq in short circuit)
PA_2.8n_0.6p_3n_1p_NM_QPx_1.4n_22p_NM_22p_ANT
port1 port2

21. 21
B1 Tx case3
PA_2.7n_0.8p_3n_0.8p_NM_QPx_1.4n_22p_NM_22p_ANT
port1 port2

22. 22
B1 mid channel Tx corresponding ACLR and current consumption

23. 23
B3 Tx case1
PA_22p_NM_0.6n_NM_5.6n_10p_QPx_1.4n_22p_NM_22p_ANT
port1 port2

24. 24
B3 Tx case2
PA_22p_NM_0.6n_NM_5.6n_10p_QPx_1.4n_22p_NM_22p_ANT
port1 port2

25. 25

26. Notice:
1. Insertion loss都跟OCL_linkbudget_Tx_02202017估得差不多
2. 只需考慮online後 power ACLR and current consumption去挑(順序ACLR-->耗電流)
3. B1 B2 B3 B20 B28A B28B Tx跟 Avago Skyworks FAE 一樣
電容用華新科
電感用Murata
26

27. 27
Desense due to Rx band noise of Tx leakage calculation
Band
Rx frequency
(MHz)
BW (MHz)
SDR IP2
(dBm)
SDR RBN
(dBm/Hz)
PA RBN
(dBm/Hz)
PA Rx band
gain (dB)
DPx Tx-Rx
isolation
at Tx
frequency
(dB)
DPx Tx-Rx
isolation
at Rx
frequency (dB)
Noise floor (dBm/Hz)
at antenna connector
without Tx noise
Total RXBN
at PA output
(dBm/Hz)
Loss from Rx
DPx
to antenna
(dB)
RXBN due to Tx
at antenna (dBm/Hz)
Noise floor at
antenna
with RXBN (dBm/Hz)
Sensitivity with
RXBN
(max Tx
power)(dBm)
Desense due to
RXBN (dB)
T W T W T W T W T W T W T W T W T W T W T W T W T W
B1 2110–2170 9 54 54 -150 -150 -136 -136 29 32.5 59 52 54 50 -167.15 -165.00 -120.86 -117.44 4.55 6.00 -170.31 -161.44 -165.44 -159.85 -96.90 -91.31 -1.71 -5.15
B2 1930–1990 9 54 54 -148 -148 -133 -133 30.5 34 63.5 55 63.5 55 -166.94 -163.80 -117.38 -113.95 4.76 7.20 -176.12 -161.75 -166.44 -159.64 -97.90 -91.10 -2.80 -7.16
B3 1805–1880 9 54 54 -150 -150 -135 -135 29.5 33 56 52 56 50 -166.75 -164.20 -120.35 -116.93 4.95 6.80 -171.40 -160.13 -165.47 -158.70 -96.93 -90.15 -1.28 -5.50
B4 2110–2155 9 54 54 -150 -150 -138 -138 28 31.5 63.5 55 63.5 55 -166.67 -164.35 -121.89 -118.45 5.03 6.65 -180.36 -166.80 -166.49 -162.39 -97.95 -93.85 -2.48 -4.96
OCL B1 2 3 4 desense calculation