GAMLATM GT2210 Baseband Analog Front End
GAMLA GT2210
TM
Baseband Analog Front End
The GAMLA TM Dual Channel Baseband AFE is the latest and fastest in
home entertainment network solutions for ITU-T G.hn systems.
TECHNOLOGY OVERVIEW
Tangotec is committed to addressing the
dramatically expanding connectivity requirements
of the digital entertainment home. This next
generation G.hn AFE delivers carrier grade
broadband communications over all 3 mediums in
the home (powerline, phoneline and coax).
PRODUCT OVERVIEW
Tangotec’s GAMLATM Dual Channel Baseband
Analog Front End (AFE) is based on the ITU-T
G.hn (G.9960, G.9963 and G.9964) standard
which supports blazing speeds of up to 2Gbps for
IP entertainment networking over the powerline,
coax and phoneline. The GAMLATM is an AFE chip
containing an Rx Programmable Gain Amplifier
(PGA), 12 bits Analog to Digital Converter (ADC),
12 bits Digital to Analog Converter (DAC). For
Baseband applications (PowerLine, PhoneLine
and Coax), the GAMLA TM AFE includes an
integrated Line Driver. The GAMLA TM AFE
supports raw throughput data of up to 2 Gbps.
MAIN FEATURES
ITU-T G.hn (G.9960/G.9963/G.9964) AFE
Powerline, Coax & Twisted Pair mediums
Baseband - Operating frequency 0-200 MHz
Supports Annex F - Plastic Optical Fiber (PoF)
25, 50, 100 and 200MHz Bandplans supporting
throughput of up to 2Gbps
Integrated Line Driver
Single Reference Clock
12 bits DAC @500MSPS
12 bits ADC @500MSPS
Low noise
Up to +8dBm output Power
Programmable gain for Tx and Rx (PGA)
Variable Gain Amplifier supports 60 dB control range
Low power consumption in Sleep Mode operation
Extended temperature range: -40°C to +85°C
Green Standard (ROHS) Compliant
TangoTec Ltd. | 14 HaMelacha Street, Netanya 42505, Israel | Tel: +972 4 853 0150
| Site: www.tangotec.com
Features & Specifications subject to change without notice. Copyright © 2013 TangoTec Ltd. All Rights Reserved. Rev.1.2
GAMLA GT2210
TM
Baseband Analog Front End
AFE Block Diagram
LVDS
XAUI
TX
DIGITAL
INTERFACE
DAC
Tx Analog Front End
LPF
LINE
DRIVER
TXP 1/2
TXN 1/2
SPI
CLKOUT
LVDS
XAUI
CONFIG
CONTROL
RX
CLOCK GEN.
ADC
LPF
PLL
PGA
OSC_IN
RXN 1/2
RXP 1/2
The Tx of the GAMLATM AFE includes a Digital to
Analog Converter (DAC), Low Pass Filter (LPF)
and Programmable Gain Amplifier (PGA). The LPF
cutoff frequency is set slightly above 200MHz to
attenuate noise coming from the DAC, commutation frequency and its harmonics. The Tx PGA
provides for programmable power control, followed
by the level converter and integrated Line Driver.
The Tx PGA provides voltage gain and digital gain
control for the Tx signal between the Tx LPF and Tx
Line Driver stages.
The Tx PGA supports 30 dB of gain control, in 2 dB
increments.
System Application Examples
Rx Analog Front End
Ethernet over Power Line
or Coaxial Cable or Phoneline or PoF Bridge
Power
Plug
Coaxial
Cable
Phoneline
Plastic
Optical
Fiber
BB
Powerline
Interface
BB Coax
Interface
4 GigE
LAN Ports
BB Phone
Interface
PoF
Annex F
Memory
Flash
APPLICATIONS
Home AV networks
3DTV, High definition and Standard definition in
home video distribution, Multi-room DVR
Video and audio streaming in Media Gateway
applications
Thin clients
Voice Over IP (VoIP)
Shared Broadband Internet Access
PC file and application sharing
Security and Surveillance
Gaming
Last Mile
The Rx part of the GAMLATM AFE includes an external Bandpass filter and Variable Gain Amplifier
(VGA). The Rx VGA gain is automatically controlled
by the Automatic Gain Control (AGC) logic from the
MAC. The AGC controls the AFE Rx gain to provide
an optimum signal level to the Analog to Digital
Converter (ADC).
The Rx VGA provides low-noise VGA with a digital
gain control of the Rx signal from the input stage.
The Rx VGA provides 60 dB of gain control range,
in 1 dB increments. The primary requirement of the
Rx VGA is to provide the maximum signal-to-noise
ratio possible at the ADC input. The system AGC
through firmware in the G.hn MAC/PHY selects the
optimum Rx gain setting to provide the highest
input voltage to the ADC without clipping on signal
peaks.
PRODUCTS
Set-top Boxes and CE Products
Residential gateways
Optical network terminals (ONTs)
SmartTV’s
Home Network Adapters
Ethernet over Coax
Game Consoles
Home Appliances
Smart Grid
TangoTec Ltd. | 14 HaMelacha Street, Netanya 42505, Israel | Tel: +972 4 853 0150
| Site: www.tangotec.com
Features & Specifications subject to change without notice. Copyright © 2013 TangoTec Ltd. All Rights Reserved. Rev.1.2
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