BeRex
50-800 MHz Internally Matched IF Amplifier
Device Features
•
40 dBm Output IP3 at 70MHz, 14dBm/tone
•
27.0 dB Gain at 70MHz
•
21.0 dBm P1dB at 70 MHz
•
Highly Reliable InGaP/GaAs HBT Technology
•
Patented over voltage protection circuit
•
Application: commercial wireless system
BCIF7
Target Device Performance (T
a
= 25°C)
Symbols
Parameters Test Conditions
Gain
70MHz
140MHz
250MHz
500MHz
70MHz
140MHz
250MHz
500MHz
70MHz
140MHz
250MHz
500MHz
70MHz
140MHz
250MHz
500MHz
70MHz
140MHz
250MHz
500MHz
Vc = 5.0V
Min
26.0
25.8
25.
24.9
Typ
27.0
26.8
26.7
25.9
-30.8
-32.4
-29.4
-27.8
-12.5
-12.5
-11.6
-8.6
41.2
40.8
43.6
41.4
21.3
21.8
21.7
20.2
95
5.0
-0.003
50
Max
Unit
dB
S11
dB
S22
dB
OIP3
P1dB
Ic
Vc
dG/dT
Rth
39.2
38.5
41.6
39.4
20.3
20.8
20.7
19.2
85
dBm
dBm
105
mA
V
°C
°C/W
Thermal Resistance
Test conditions unless otherwise noted.
1. Device performance is measured on BeRex evaluation board at 25°C, 50 ohm system.
2. OIP3 is measured on an eval-board with two tones separated by 1 MHz.
Absolute Maximum Ratings
Parameter
Operating Case temperature
Storage Temperature
Supply Voltage
Max. Device Current
Input RF Power
Rating
-40 to +85°C
-40 to +155°C
6.0V
160mA
23dBm
Operation of this device above any of these parameters may result in permanent damage.
http: //www.berex.com
BeRex
BCIF7
S-parameter test circuit
Chip attachment on PF083
31mil thick FR4 PCB
Generic PF083 Evaluation Board
I-V Characteristics
Application Circuit: 50-800 MHz
Typical Performance (Vdevice = 5V, Ic = 95 mA, Ta = 25°C)
Freq
S21
S11
S22
P1
OIP3
MHz
dB
dB
dB
dBm
dBm
70
27.0
-30.8
-12.5
21.3
41.2
140
26.8
-32.4
-12.5
21.8
40.8
250
26.7
-29.4
-11.6
21.7
43.6
500
25.9
-27.8
-8.64
20.2
41.4
http: //www.berex.com
BeRex
Schematic Diagram
C1
C2
C3
BOM
100nF
*100pF
100nF
*100pF
100pF
BCIF7
Tolerance
± 5%
± 5%
± 5%
± 5%
± 20%
±5%
C4 1000pF
C5
L1
*Application for RF Bandwidth
10uF
1uH
*12nH
Typical Device Data
S-parameters (Vc=5V, Ic=95mA, T=25°C)
IF Bandwidth Application
http: //www.berex.com
BeRex
OIP3
BCIF7
S-Parameter
IF Bandwidth Application (Vc=5V, Ic=95mA, T=25°C)
Freq
[MHz]
50
150
250
350
450
550
650
750
850
S11
[dB]
-28.586
-32.368
-29.436
-30.806
-28025
-27.358
-26.156
-28.741
-28.388
S11
[Ang]
-106.642
153.226
103.952
74.122
57.612
39.511
34.536
16.783
26.499
S21
[dB]
27.021
26.801
26.672
26.319
26.102
25.497
25.184
24.699
23.915
S21
[Ang]
176.006
156.233
135.931
119.315
102.363
850.096
69.233
56.366
36.370
S12
[dB]
-32.384
-31.914
-32.394
-30.952
-31.721
-31.882
-31.562
-30.987
-30.922
S12
[Ang]
2.863
-7.256
-13.069
-23.766
-36.896
-41.929
-51.528
-55.955
-65.779
S22
[dB]
-12.028
-12.467
-11.622
-10.324
-9.144
-8.246
-7.420
-6.775
-6.329
S22
[Ang]
22.476
-21.072
-41.718
-58.0256
-72.792
-.58.005
-94.494
102.541
-113.462
* Note : S-parameter includes 1 mil thick and 16-mil long Au wire
http: //www.berex.com