RFAM3620

Data Sheet Rev.F, June 7, 2017 | Subject to change without notice

3 of 10

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Electrical Specifications – part 2

Parameter

Min

Typ

Max

Units

Adjacent Channel Power Ratio

(ACPR); N=4 contiguous 256QAM

channels

Channel Power = 58 dBmV;

Adjacent channel up to 750 kHz from channel block

edge, f= 50 to 1000 MHz

-58

dBc

Channel Power = 58 dBmV;

Adjacent channel (750 kHz from channel block edge to

6 MHz from channel block edge), f= 50 to 1000 MHz

-60

dBc

Channel Power = 58 dBmV;

Next-adjacent channel (6 MHz from channel block edge

to 12 MHz from channel block edge), f= 50 to 1000 MHz

-63

dBc

Channel Power = 58 dBmV;

Third-adjacent channel (12 MHz from channel block edge

to 18 MHz from channel block edge), f= 50 to 1000 MHz

-65

dBc

N=1 256QAM channel

Channel Power = 66 dBmV;

In each of 2N contiguous 6 MHz channels coinciding with

2nd harmonic components (up to 1000MHz)

-63

dBc

N=1 256QAM channel

Channel Power = 66 dBmV;

In each of 3N contiguous 6 MHz channels coinciding with

3rd harmonic components (up to 1000MHz)

-63

dBc

CTB

Vo=48 dBmV, flat, 79 analog channels

-73

dBc

XMOD

-70

dBc

CSO

-75

dBc

CIN

64

dB

1.

The slope is defined as the difference between the gain at the start frequency and the gain at the stop frequency.

2.

Logic high is defined as power enable voltage >2V

3.

Logic low is defined as power enable voltage <0.4V

4.

79 analog channels, NTSC frequency raster: 55.25MHz to 547.25MHz, +48dBmV flat output level, plus 75 digital channels, -6dB offset relative

to the equivalent analog carrier.

Composite Second Order (CSO) - The CSO parameter (both sum and difference products) is defined by ANSI/SCTE 6. Composite Triple Beat

(CTB) The CTB parameter is defined by ANSI/SCTE 6. Cross Modulation (XMOD) - Cross modulation (XMOD) is measured at baseband

(selective voltmeter method), referenced to 100% modulation of the carrier being tested. Carrier to Intermodulation Noise (CIN) - The CIN

parameter is defined by ANSI/SCTE 17 (Test procedure for carrier to noise).