RF3806TR7 RFMD, RF3806TR7 Datasheet - Page 6

• Manufacturer Part Number: RF3806TR7
• Description: IC AMP HBT GAAS PRE-DVR 4W AIN
• Manufacturer: RFMD

Specifications of RF3806TR7

• Current - Supply: 660mA ~ 800mA
• Frequency: 1.5GHz ~ 2.2GHz
• Gain: 17dB ~ 19dB
• P1db: 35dBm ~ 37dBm
• Package / Case: 8-LCC
• Rf Type: W-CDMA, SATCOM, DCS, PCS, UMTS
• Test Frequency: 2.11GHz ~ 2.17GHz
• Voltage - Supply: 5V ~ 8V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Other names: 689-1026-2

RF3806
This eval board for low power linear operation: 21dBm<P
See biasing table for setting resistance at other supply voltages.
RF3806 Biasing Table
The resistor values shown below are for varied V
earity. “R_Bias”=equivalent R in line with V
Max allowable I
6 of 20
VBIAS
RF IN
VREF
In I
This to keep I
J1
REF
Volt
V
8
7
6
5
8
7
6
5
8
7
6
5
CC
10 pF
50 Ω μstrip
C38
=60mA case, calculated R
1000 pF
C39
REF
V
Volt
REF
REF
8
7
6
5
8
7
6
5
8
7
6
5
at or slightly below 60mA max.
0.1 μF
C41
=60mA.
+
10 μF
C40
V
Volt
BIAS
8
7
6
5
8
7
6
5
8
7
6
5
270 Ω
R4
Open
C18
BIAS
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
Evaluation Board Schematic - UMTS2100
270 Ω
0.1 μF
9.1 pF
R5
C33
C28
Open
R
C19
was rounded up to nearest 0.5Ω.
BIAS
+
270 Ω
10 μF
Ohm
28.5
11.5
80.5
80.5
31.5
10 pF
105
C34
R7
2.0 pF
C43
(at V
62
45
60
40
20
56
C20
REF
270 Ω
10 pF
0.1 μF
9.1 pF
R8
C35
REF
C46
C30
)
(see values on evaluation board schematic: R4, R5, R7, R8).
1000 pF
24 nH
1000 pF
C44
L4
R10
0 Ω
C27
1
2
3
4
CC
I
mA
60
60
60
60
50
50
50
50
41
41
41
41
REF
/I
CQ
10 μF
Circuit
C45
Bias
conditions. Biasing for higher quiescent current will give increased lin-
+
OUT
Typical I
730
726
707
670
663
649
623
601
584
<27dBm, 5 V<V
718
676
614
mA
8
7
6
5
CQ
3.3 pF
C29
Open
C12
CC
Open
24 nH
C26
L2
<8V. Bias R seen above for 8V and 60mA I
1000 pF
9.1 pF
10 pF
C5
C13
C48
1000 pF
Open
0.1 μF
C15
C49
C11
Open
0.1 μF
10 pF
C8
C51
C7
15 nH
L9
10 μF
10 μF
C50
C6
+
+
Open
C10
Open
9.1 pF
C16
C14
Rev A4 DS071029
50 Ω μstrip
VCC
RF OUT
REF
J2
.