HANGZHOU HUATAI OPTIC TECH. CO., LTD
 
Product Classification
HES-26A
47~862MHz & 950~2600MHz
CATV & satellite TV external modulation optical transmitter
  HES-26A Product Photos Download Data Sheet
 
Technical index
 
Performance
Index
Supplement
Min.
Typ.
Max.
Optical feature
Operating wavelength
(nm)
1540
1550
1563
CC
1528
 
1543
CB
1528
 
1563
XX ITU Standard wavelength tunable
Wavelength adjustable range
(nm)
-1.6
 
+1.6
XX ITU Standard wavelength tunable
Wavelegnth adjustable mode
(nm)
±0.01nm in steps
XX ITU Standard wavelength tunable
Side mode suppression ratio
(dB)
45
     
Extinction ratio
(dB)
20
     
Linewidth
(MHz)
 
0.3
0.65
 
Equivalent noise intensity
(dB/Hz)
145
     
Output port  
1
 
4
 
Each port output optical power
(dBm)
3
    1 × 03, 2 × 03, 4 × 03
5
    1 × 05, 2 × 05, 4 × 05
7
    1 × 07, 2 × 06, 4 × 07
8.5
    1 × 09, 2 × 09
10
    2 × 10
11
    2 × 11
SBS supression
(dBm)
13
 
19
HES-26A-2 ×口口
 
13
  HES-26A-1×口口
Return loss
(dB)
55
60
  APC
Optical connector  
SC/APC
Option FC/APC, LC/APC
RF
feature
Operating bandwidth
(MHz)
47
 
862
 
Input level
(dBmV)
18
 
28
AGC
Flatness
(dB)
-0.75
 
+0.75
47~862MHz
Return loss
(dB)
16
    47~750MHz
Input impedance
(Ω)
 
75
   
RF connector  
F-female
 
Channel loading  
PAL-D/60CH
Remark 1
CNR1
HES-26A-2 ×口口
(dB)
53.5
    Back to back
HES-26A-1 ×口口
52.0
   
CNR2
HES-26A-2 ×口口
(dB)
51.5
    65Km fiber, 0dBm receive
HES-26A-1 ×口口
50.5
    50Km fiber, 0dBm receive
CTB
(dB)
   
-65
 
CSO
(dB)
   
-65
 
HUM
(dB)
   
-60
 
IF
feature
Operating bandwidth
(MHz)
950
 
2600
 
Input level
(dBm)
-40
 
-25
AGC
Flatness
(dB)
 
0.5
  40MHz
-2.0
 
+2.0
950~2400MHz
Return loss
(dB)
10
     
Input impedance
(Ω) 
 
75
   
IF connector  
F-female
 
Channel load    
36CH
  Remark 2
CNR
(dB)
28
     
CTB
(dB)
   
-36
 
CSO
(dB)
   
-36
 
To LNB voltage
(V)
 
13/18
  Able to switch
To LNB current
(mA)
   
300
 
General feature
Serial interface
 
RS232
 
Network management interface
 
RJ45
SNMP
Power supply
AC
(V)
90
220
265
 
DC
-30
-48
-72
 
Power loss
(W)
   
50
 
Operating temp.
(℃)
-5
 
+65
 
Storage temp.
(℃)
-40
 
+85
 
Relative humidity
(%)
5
 
95
 
Size (W)x(D)x(H)
 
19×14.5×1.75 ( " )
483×368×44 ( mm )
 
Remarks: 1. CATV: NTSC 74CH (70MHz to 550MHz) and 64QAM (550MHz to 770MHz), analogue -10dB.
2. SAT-IF: QPSK or FM 36CH (950MHz to 2602MHz).
Chassis length
Optical port on front panel
Optical port on back panel
Product series
 
Model number
Work bandwidth
Optical output port
Each port output power
HES-26A-1 × 03-XX 47~862 & 950~2600MHz 1 3dBm
HES-26A-1 × 05-XX 1 5dBm
HES-26A-1 × 07-XX 1 7dBm
HES-26A-1 × 09-XX 1 8.5dBm
HES-26A-2 × 03-XX 47~862 & 950~2600MHz 2 3dBm
HES-26A-2 × 05-XX 2 5dBm
HES-26A-2 × 07-XX 2 7dBm
HES-26A-2 × 09-XX 2 8.5dBm
HES-26A-2 × 10-XX 2 10dBm
HES-26A-2 × 11-XX 2 11dBm
HES-26A-4 × 03-XX 47~862 & 950~2600MHz 4 3dBm
HES-26A-4 × 05-XX 4 5dBm
HES-26A-4 × 07-XX 4 7dBm
Remark: Work wavelength: CB: 1528~1543nm;
CC: 1540~1563nm;
XX:1528~1563nm ITU channel code,±1.6nm wavelength adjustable
 
Model explanation
 
The parts marked in gray color belongs to other varieties of this product series, the options marked in gray color in this products series can not be specified.
 
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Zhejiang ICP keep on record: 05003023