ECG040_07 WJCI [WJ Communication. Inc.], ECG040_07 Datasheet - Page 3

• Manufacturer Part Number: ECG040_07
• Description: InGaP HBT Gain Block
• Manufacturer: WJCI [WJ Communication. Inc.]

WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: [phone] • e-mail: [e-mail] • Web site: www.wj.com
1. The proper values for the components are dependent upon the intended frequency of operation.
2. The following values are contained on the evaluation board to achieve optimal broadband performance:
C1, C2, C4
Designator
Reference
L1
S-Parameters (V
Freq (MHz)
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
500
ECG040
InGaP HBT Gain Block
50
Ref. Desig.
L1
C1, C2
C3
C4
R4
RF IN
.018 µF
820 nH
50
device
Capacitor
Blocking
C1
-23.31
-23.69
-23.45
-22.70
-22.13
-19.60
-19.24
-16.99
-15.40
-13.81
-11.78
-11.08
S11 (dB)
-9.31
= +4.8 V, I
Recommended Component Values
1000 pF
220 nH
Device S-parameters are available for download off of the website at: http://www.wj.com
Value / Type
39 nH wirewound inductor
56 pF chip capacitor
0.018 µF chip capacitor
Do Not Place
16 Ω 1% tolerance
500
ECG040
CC
Resistor
RF Choke
Capacitor
-179.51
0.018 µF
170.90
162.60
156.61
148.64
139.22
121.52
115.00
S11 (ang)
= 70 mA, T = 25 °C, calibrated to device leads)
97.66
84.99
64.76
52.37
35.87
Recommended Application Circuit
Bypass
Bias
Icc = 70 mA
R4
100 pF
C3
C4
68 nH
L1
900
Typical Device S-Parameters
Vcc
Frequency (MHz)
Capacitor
Blocking
C2
S21 (dB)
16.19
16.04
15.79
15.50
15.16
14.76
14.31
13.86
13.33
12.88
12.19
11.70
10.98
RF OUT
27 nH
68 pF
1900
Size
0603
0603
0603
0805
22 nH
68 pF
2200
177.81
158.74
138.37
118.53
S21 (ang)
-13.55
-30.90
-50.95
99.02
79.46
61.06
41.97
23.55
4.82
18 nH
56 pF
2500
-19.40
-19.30
-19.12
-19.03
-18.71
-18.36
-18.13
-17.78
-17.23
-16.82
-16.84
-16.58
-16.15
S12 (dB)
15 nH
39 pF
3500
-102.41
Specifications and information are subject to change without notice
S12 (ang)
-12.26
-19.16
-26.80
-32.98
-41.04
-51.05
-58.84
-68.93
-79.74
-89.82
-0.03
-5.83
The proper value for R1 is dependent upon the supply
voltage and allows for bias stability over temperature.
WJ recommends a minimum supply bias of +6 V. A
1% tolerance resistor is recommended.
Voltage
Supply
Recommended Bias Resistor Values
10 V
12 V
6 V
7 V
8 V
9 V
-36.95
-27.31
-21.40
-18.24
-16.09
-14.17
-12.61
-11.16
-10.31
S22 (dB)
-9.04
-7.54
-7.37
-6.42
17.1 ohms
31.4 ohms
103 ohms
R1 value
46 ohms
60 ohms
74 ohms
-170.80
-130.75
-141.51
-153.77
-175.02
167.68
152.88
130.54
115.55
S22 (ang)
97.41
76.41
64.41
46.46
Page 3 of 4 April 2007
0805
1210
1210
2010
2010
2512
Size