QF 1218-35B RF Amplifier

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QF 1218-35B RF Amplifier is a 1.2 GHz bandwidth two-way amplifier. It provides excellent forward and reverse path performance combined with high reliability and a user-friendly layout. GaAs E-pHEMT Push Pull distribution amplifiersthat guarantees the excellent CTB and CSO performance.

 

Features

Supports 1.2 GHz bandwidth

Indoor bidirectional amplifier

Compact design, small and exquisite

Improved ESD and surge protection

Low noise figure

Standard JXP plug-in PADs for adjustments of attenuation and forward input equalization

Plug-in DMC jumper for adjustments of forward interstage and reverse equalization

Gain adjustment 0 - 18 dB (AGC)


Block Diagrams


Specifications

Table 1. Forward Path Specifications

Item

Units

Value

Pass Band

MHz 

110 ~ 1218

Gain

dB

35

Frequency Response

dB

± 1.0

Reference Output Level

(CENELEC 42 channel)

CSO: 60dB

CTB: 60dB

dBμV

107

Gain Adjustment

dB

0 - min.18 dB (AGC)

Input Equalizer Adjustable

dB

0…20 dB  

1 dB step, Adjust via JXP PAD

Interstage Equalizer Adjustable

dB

0, 4, 8  

Adjust via DMC Jumper

Return Loss

dB

16

RF Test Point

dB

30

Noise Figure

dB

≤7

Notes:  

      1. Forward Gain and Noise Figure measured with 0 dB input EQ and 0 dB input pad.

      2. Distortion performance reference output level is 107 dBμ(CENELEC 42 channelflat). Digital refers to 550 MHz to 1.2 GHz loading with QAM carriers at -6 dB relative to analog CW carrier levels.


Table 2Return Path Specifications

Item

Units

Value

Pass Band

MHz

~ 85

Gain

dB

30

Gain Control (Input & Output)

 

0..20 dB

1 dB step, Adjust via JXP PAD

Equalizer Adjustable

dB

0, 4  

Adjust via DMC Jumper

Frequency Response

dB

± 1.0

Return Loss

dB

18

RF Test Point

dB

- 30

Noise Figure

dB

 6


Table 3. General Specifications  

Item

Units

Value

Power Consumption (High Gain / Low Gain) 

W

5

Supply Voltage

V AC

26-65 V (remote PS) / 220 V (local PS)

RF Connectors

-

F - female, Imperial

Dimensions (W x H x D)

mm

105 x 125 x 50

Weight

kg

0,70

Mechanical Enclosure

-

IP 54 class protection, diecast housing

Operating Temperature

°C

40 - + 55

Storage Temperature

°C

40 - + 80

Relative Humidity Range

-

5% - 95%

Note: Unless otherwise noted, all specifications reflect typical performance and are referenced to 20°C.


Ordering Information

Description

Part Number

QF1218-35B RF Amplifier, 1.2G, 85/110, 60V

9920000033

QF1218-35B RF Amplifier, 1.2G, 85/110, 220V,Europe Plug

9920000034


About Us

Shanghai Qianjin Electronic equipment Co., LTD was founded in 1991. It is a scale and specialized CATV equipment manufacturer with research, development and production. Our company has been identified as high-tech enterprises, strict compliance with international standards and pass GB / T 9001 quality management system certification.

Our good reputation and perfect product service system has won praise from customers. Products are sold to Europe, America, Asia and other countries and regions, as OEM / ODM supplier.



Contact

   Address: 4/F,Budliding No.2,401 Caobao Road Shanghai China

   Phone: 021-54973555

   Email: sales@sq-cabledevice.com

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