SMT 手机工厂射频校准测试频段(GSM⼀WCDMA⼀TD-SCDMA⼀TDD-LTE⼀FDD-LTE)

2024-11-29 12:18:47
推荐回答(2个)
回答1:

No

名 称

技 术 要 求

测 试 结 果

Pass/Fail

1

工作频率范围

2010-2025MHz

2010-2025MHz

Pass

2

频 率 间 隔

1.6MHz

1.6MHz

Pass

3

工 作 方 式

TDD

TDD

Pass

4

码片速率

1.28Mcps

1.28MHz

Pass

5

Maximum Output Power

+24dBm single code

+22.4~23dBm

Pass

6

Frequency Stabibility

±0.1 ppm

-38~ -85Hz

Pass

7

Minimum Output Power

≤-49dBm

-52.57~-54.88dBm

Pass

8

Transmit OFF Power

≤-65dBm

-71.2~ -66.6dBm

Pass

9

Occupied Bandwidth

≤1.6MHz

1.38~1.39MHz

Pass

10

ACLR

≤-33dB offset±1.6MHz

Lower:-37dB

Upper:-38dB

Pass

≤-43dB offset±3.2MHz

Lower:-57dB

Upper:-62dB

Pass

11

EVM

≤17.5%rms

4.51%

Pass

12

Spurious Emissions

≤-36dBm at 1kHz-1GHz

-46.24dBm

Pass

≤-30dBm at 1GHz-12.75GHz

-29.91dBm

Pass

≤-67dBm at 925-935MHz

-82.36dBm

Pass

≤-79dBm at 935-960MHz

-80.24dBm

Pass

≤-71dBm at 1805-1880MHz

-69.24~70.16dBm

Fail

3.2. TD-SCDMA UE接收机主要指标测试结果

No

名 称

技 术 要 求

测 试 结 果

合格/不合格

1

Reference Sensitivity Level

≤-108dBm/1.28MHz

at BER≤10

-108.8~ -109.7dBm

Pass

3

Maximum Input Level

≤-25dBm at BER≤10

BER=0

Pass

4

Adjacent Channel Selectivity

≥33dB offset±1.6MHz

at –91dBm/1.28MHz;

-54dBm

BER≤10

BER=0

Pass

5

Blocking Characteristics

≥-61dBm/1.28MHz

at –105dBm/1.28MHz

offset±3.2MHz BER≤10

BER=0

Pass

≥-49dBm/1.28MHz

at –105dBm/1.28MHz

offset±4.8MHz at BER≤10

BER=0

Pass

6

Intermodulation Characteristics

≥-46dBm

at –105dBm/1.28MHz

and BER≤10

BER=0

Pass

回答2:

tdd-lte/fdd-lte/wcdma/td-scdma/gsm分别是表示TDD模式4G、FDD模式的4G、联通3G、移动3G、移动2G/联通2G网络,说明这是一款支持移动4G、3G、2G和联通4G、3G、2G网络的双4G、双3G手机。