RF2312TR7 RFMD, RF2312TR7 Datasheet - Page 6

• Manufacturer Part Number: RF2312TR7
• Description: IC AMP HBT GAAS CATV 8-SOIC
• Manufacturer: RFMD

Specifications of RF2312TR7

• Current - Supply: 40mA ~ 120mA
• Frequency: 0Hz ~ 2.5GHz
• Gain: 14.5dB ~ 15.1dB
• Noise Figure: 3.8dB ~ 4.3dB @ 300MHz ~ 1Ghz
• P1db: 17dBm ~ 18.5dBm
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Rf Type: ISM, Broadcast Television
• Test Frequency: 900MHz
• Voltage - Supply: 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 689-1007-2

3-6
RF2312
RF IN
R5 is used to maintain the correct bias level at higher supply voltages and is also required in this configuration. The RC network of R2
and C3 should be kept physically as short as possible. R2 can be adjusted as required to improve the impedance matching. R6 and
R7 reduce the typical gain by increasing the emitter resistance. L1 should be at least 200 Ω reactive at the lowest operating
frequency. C1 and C2 should be less than 10 Ω at the lowest operating frequency. C4 and C5 improve gain flatness.
RF IN
NOTE 1:
Optional resistor R
increase output capability or linearity for signals with high crest factors.
220 pF
C1
TBD
C4
1 - 2 kΩ
10 nF
R5
7.5 Ω
R6
S
can be used to maintain the correct bias level at higher supply voltages. This is used to
1 - 2 kΩ
5MHz to 50MHz Reverse Path
R
S
Application Schematic
Application Schematic
1
2
3
4
1
2
3
4
10dB Gain
10 nF
C3
470 Ω
R2
8
7
6
5
8
7
6
5
10 μH
30 Ω
7.5 Ω
R7
100 nF
10 nF
V
V
CC
CC
= 9 - 12 V
R1 = 21 - 30 Ω
330 nH
TBD
220 pF
C5
100 nF
L1
C2
RF OUT
Rev C6 051025
RF OUT