China QF 1218-35B RF Amplifier factory and manufacturers | Qianjin

Short Description:

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 amplifiers, that guarantees the excellent CTB and CSO performance.


Product Detail

Product Tags

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 amplifiers, that guarantees the excellent CTB and CSO performance.

Features

1.Supports 1.2 GHz bandwidth

2.Indoor bidirectional amplifier

3.Compact design, small and exquisite

4.Improved ESD and surge protection

5.Low noise figure

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

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

8.Gain adjustment 0 – 18 dB (AGC)

Block Diagrams

QF 1218-35B RF Amplifier -01

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: 60dBCTB: 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 dBµV (CENELEC 42 channel,flat). Digital refers to 550 MHz to 1.2 GHz loading with QAM carriers at -6 dB relative to analog CW carrier levels.

 Table 2. Return Path Specifications

Item

Units

Value

Pass Band

MHz

5 ~ 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


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