iPump 6420 User’s Manual

1.4.iPump 6420 Specifications

Characteristic

Specification

 

 

 

 

 

 

 

 

 

DVB-S1-QPSK Tuner

 

 

 

 

 

RF Input

 

 

 

 

 

Input Impedance

75 Ω unbalanced

 

 

Input VSWR, 75 Ω system

< 2:1 (9.0 dB R.L. min), 950-1450 MHz

 

 

 

< 3:1 (6.0 dB R.L. min), 1450-2150 MHz

 

Surge Resistance

Survives up to 10 direct-coupled 8kV discharges (per IEC

 

 

 

801-2)

 

 

 

 

RF Tuning

 

 

 

 

 

Input Frequency Range

950 to 2150 MHz

 

 

LO Leakage at Input

< -50 dBm

 

 

 

 

Symbol-rate Range

2 to 45 Msps (may be limited by Transport Rate Limits)

 

Tuning Resolution

10 kHz

 

 

 

 

Input Signal Level Range

-25 to -65 dBm

 

 

 

Signal Level Warning

Warns within +10/-5 dB of upper limit and +5/-10 of lower

 

Limits

limit

 

 

 

 

Maximum Aggregate Input

-8 dBm min

 

 

 

Power

 

 

 

 

 

Demodulator/FEC

 

 

 

 

 

Modulation

QPSK (α=.35) per DVB (EN300 421)

 

Carrier acquisition range

+1 MHz or +10% of symbol-rate QPSK, whichever is greater

 

Max Eb/No @ Quasi-

Per EN300 421:

 

 

 

error-free threshold (less

QPSK R=1/2: 4.5 dB,

 

 

than one uncorrected

QPSK R=2/3: 5.0 dB,

 

 

error-event per hour)

QPSK R=3/4: 5.5 dB,

 

 

 

 

QPSK R=5/6: 6.0 dB,

 

 

 

 

QPSK R=7/8: 6.4 dB,

 

 

RF Power Level Estimator

Unitless metric SIGNAL corresponds to input power as

 

(locked to carrier or not)

follows:

 

 

 

 

 

 

Above -25dBm: Extrapolated up to 100+

 

 

 

-25dBm:

90

-55dBm:

30

 

 

 

-35dBm:

70

-65dBm:

10

 

 

 

-45dBm:

50

no signal <0

 

 

 

Below -65dBm: Extrapolated from 10 down to <0

 

 

 

Accuracy: unit to unit <+5 dB; over frequency <+10 dB

 

LNB DC POWER

(supplied on RF center conductor)

 

Activation

User or network controlled selectable: ON or OFF

 

Voltage

~ +18.7 VDC nominal at no loading, +18.0 VDC min. at max

 

 

 

loading

 

 

 

 

Current (full load)

350 mA max.

 

 

 

Short circuit protection

Thermal fuse, tripping at ~500 mA.

 

European “Universal

Implements LNB polarization & frequency-band control, per

 

LNB”

ASTRA recommendation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

www.wegener.com

800070-01 Rev B

Chapter 1, Page 13

Page 17
Image 17
Wegener Communications user manual IPump 6420 Specifications, LNB DC Power