Product DescriptionH1228, the operating bandwidth of 47~ 1200MHz,
is a low power, high performance, cost-effective triple play, FTTH
CATV optical receiver, Whether used in analog television or digital
television. Products with high sensitivity optical receiver tube
and Huatai special low noise matching circuit. Receiving at high
optical power can be adjusted by PAD level, played limiting output,
so H1228 within a large dynamic range of the received optical power
of +2 dBm ~-21dBm, have excellent characteristics.H1228 for Analog
TV, in Pin =-10dBm when, Vo≥ 75.7dBμV, CNR≥ 45.3dB.H1228 for
Digital TV, in Pin =-16dBm when, Vo≥ 67.2dBμV, MER≥ 36.1dB.H1228
for Digital TV, in Pin =-20dBm when, Vo≥ 58.8dBμV, MER≥ 30dB.Triple
play, fiber to the home, using theH1228 can save a lot of optical
fiber amplifier power resources. For operators, can greatly reduce
the cost of building the network.Product Features1. Extra-low
noise(3.8% modulate, -10dBm receive, CNR ≥ 45.3dB)2. Wide dynamic
receiving optical power range: within Pin=-16, MER≥36.1dB3.
Applicable GPON, EPON, compatible with any FTTx PON technology4.
Can save a large number of optical power resource, greatly reduce
the network configuration cost5. Within 47~1200MHz bandwidth, all
with excellent flatness feature ( FL≤±1.0dB )6. Metal case, offer
safeguard for optoelectronic sensitive devices7. High output level,
can be used by many users8. Low power consume, high performance,
high cost performanceMain Application1. CATV FTTH2. Integration of
three networks3. FTTH PONTechnical
IndexPerformanceIndexSupplementOpticfeatureCATV work
wavelength(nm)1260~1620H1228 ( A -Type )1540~1563H1228/WF,H1228/WD
( A & B Type )Pass wavelength(nm)1310, 1490H1228/WD ( BType
)Channel Isolation(dB)≥401550
&1490nmResponsivity(A/W)≥0.851310nm ≥0.91550nm Receiving
power(dBm)+2 ~ -10Analog TV (CNR>45dB)+2 ~ -20Digital TV
(MER>30dB)Optical return loss(dB)≥55 ptical fiber
connector SC/APCH1228, H1228/WFLC/APCH1228/WD
RFfeatureWork
bandwidth(MHz)47~1200 Flatness(dB)≤±1.047~1200MHz Output
level(dBμV)>88Analog TV (Pin=-4dBm)>88Digital TV
(Pin=-5dBm)Output level adjust(dB)0 ~ 18MGCReturn loss(dB)≥1447 ~
862MHzOutput impedance(Ω)75 Output port number 1 RF
tie-in F-FemaleF-male optionalAnalog TV Link featureTest
channel(CH)59CH(PAL-D)NTSS/80CHOMI(%)3.8 CNR1(dB)53.3Pin=-2dBmCNR2(dB)45.3Pin=-10dBmCTB(dB)≤-63Pin:0~-10dBmCSO(dB)≤-60Pin:0~-10dBmDigital
TVLink featureOMI(%)4.3 MER(dB)≥36Pin = -16.0dBm≥30Pin =
-20.0dBmBER(dB)
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