SP2237AVb
SP2237AVb is DVB-S2 NIM TUNER manufactured by SERIT.
Description
: The open DVB-S2 standard for advanced modulation [8PSK modulation
With LDPC/BCH Forward Error Correction], as well as legacy DVB and DSS specification
1. General Specifications of RF Tuner (STB6110A).
1-1 Receiving Frequency Range 1-2 RF Input Impedance 1-3 Channel Selection System 1-4 RF input Connector 1-5 PLL Step Size
1-6 Operating Voltage
Current Consumption in 1-7
Tuner Part
950~ 2150MHz
75Ω Built in PLL ( I2C Bus : Link IC) F Type ( Female )
Depending on PLL Setting LNB Power : (TYP) +3.3VL : 3.3V DC (± 5%) +3.3VT : 3.3V DC (± 5%) AGC Voltage : 0.5V ~ 2.5V DC
+3.3VL +3.3VT
MIN TYP 15m A
MAX 20m A
185m A 200m A
1-8 Temperature
Operating: Storage:
0℃ to 70℃ -40℃ to 125℃
1-9 Humidity
Operating: Storage: less than 85% less than 90%
-2-
DVB-S2 NIM
REV A1
2. Electrical Specifications of RF Tuner ( STB6110A)
Optimal Test Condition : 1. Supply Voltage : 3.3V ± 0.3V DC 2. Ambient Temperature: 25℃ ± 5 % 3. Ambient Humidity: 65% ±1 0%
Table2. No
Item
2-1 Input Level 2-2 RF Input VSWR 2-3 Noise Figure
3’rd order 2-4 Intermodulation
Rejection Ratio
Specification Min Typ Max Unit -65 -25 d Bm
2 3 d B 6 10 d B
Condition
40 50
Desired & d B Undesired input
Level are -25d Bm
Local Oscillation 2-5 Signal leakage at RF
Input Terminal
2-6 Gain Deviation
-80 -70 d Bm 950 ~ 2150 MHz 8 10 d B 950 ~ 2150...
