Datasheet > 光纤 > 光纤发送器> 755M-20-79Q-L75-42-E2

755M-20-79Q-L75-42-E2

更新时间： 2024-09-25 07:02:51

品牌	Logo	应用领域
EMCORE		PC 光纤
页数	文件大小	规格书
9页	2391K
描述
Transmitter, E2000/APC Connector, ROHS COMPLIANT PACKAGE

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755M-20-79Q-L75-42-E2 数据手册

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Model 755M Optical Transmitter

DATASHEET| AUGUST 6, 2008

755M, Noise and Distortion Characteristics for CATV Input

RF Level/ch

(dBmV)

Composite

CNR ^(1,2)CSO ^(1,3,6)

CTB ^(1,3,6)

(dBc)

CATV 75Ω Input Option

79ch NTSC ⁽⁴⁾

BER ⁽⁵⁾

(dBm)

(dB)

(dBc)

-14.77

-60

-65

79ch = 15

79ch NTSC + 75ch QAM @ -6dB ⁽⁴⁾

-13.84

10^-7

-60

-65

75ch QAM = 9

110ch NTSC ⁽⁴⁾

42ch CENELEC ⁽⁴⁾

60ch PAL ⁽⁴⁾

13.57

17.75

16.2

-14.77

48.5

-60

-65

57ch = 16.2

JCTEA: 57ch Analog + 40ch QAM @ -10dB ⁽⁷⁾

JCTEA: 11ch + 80ch QAM @ -10dB ⁽⁸⁾

-14.70

-14.76

-60

-65

40ch QAM = 6.2

11ch = 21.2

80ch QAM = 11.2

1. Test with 3m and 20km of SMF28 fiber.

2. CNR may degrade up to 0.5dB over the operating temperature range.

3. CSO and CTB may degrade up to 1.5dB over the temperature range.

4. Test with 0 dBm received optical power.

5. QAM format = 256-QAM, ITU-T J.83 Annex C, Analog channels are modulated.

6. L-band input is injected with 2 tones, F1 = 2000MHz, F2 = 2000.5MHz with –3dBm/tone.

7. Test with EDFA, –6dBm received optical power, QAM format = 64-QAM. 2 tones, F1 = 2000MHz, F2 = 2000.5MHz,

applied to L-Band port with –3dB/tone. 18dBm launch power.

8. Test with EDFA, –8dBm received optical power, QAM format = 64-QAM. 2 tones, F1 = 2000MHz, F2 = 2000.5MHz,

applied to L-Band port with –3dB/tone. 18dBm launch power.

EMCORE CORPORATION

1 2 345 6 7...9

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