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参数资料
| 型号： | HFA3101B96 |
| 厂商： | Intersil |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC TRANS ARRAY NPN GILBERT 8SOIC |
| 标准包装： | 2,500 |
| 频率： | 0Hz ~ 10GHz |
| 混频器数目： | 1 |
| 噪音数据： | 1.7dB |
| 包装： | 带卷 (TR) |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
HFA3101
broadband match if so desired at 50 ? (R L = 50 ? to 2k ? ) as
well as with tuned medium Q matching networks (L, T etc.).
Stability
The cell, by its nature, has very high gain and precautions
must be taken to account for the combination of signal
setup as in Table 1. S 22 characterization is enough to assure
the calculation of L, T or transmission line matching
networks.
TABLE 1. S 22 PARAMETERS FOR DOWN CONVERSION,
L CH = 10 μ H
reflections, gain, layout and package parasitics. The rule of
thumb of avoiding reflected waves must be observed. It is
important to assure good matching between the mixer stage
and its front end. Laboratory measurements have shown
some susceptibility for oscillation at the upper quad
transistors input. Any LO prefiltering has to be designed
FREQUENCY
10MHz
45MHz
75MHz
100MHz
RESISTANCE
265 ?
420 ?
122 ?
67 ?
REACTANCE
615 ?
- 735 ?
- 432 ?
- 320 ?
such the return loss is maintained within acceptable limits
specially at high frequencies. Typical off the shelf filters
exhibits very poor return loss for signals outside the
passband. It is suggested that a “pad” or a broadband
resistive network be used to interface the LO port with a
TABLE 2. TYPICAL PARAMETERS FOR DOWN
CONVERSION, L CH = 10 μ H
V CC = 3V,
filter. The inclusion of a parallel 2K resistor in the load
decreases the gain slightly which improves the stability
factor and also improves the distortion products (output
intermodulation or 3rd order intercept). The employment of
good RF techniques shall suffice the stability requirements.
Evaluation
The evaluation of the HFA3101 in a mixer configuration is
presented in Figures 6 to 11, Table 1 and Table 2. The layout
PARAMETER
Power Gain
TOI Output
NF SSB
Power Gain
TOI Output
NF SSB
LO LEVEL
-6dBm
-6dBm
-6dBm
0dBm
0dBm
0dBm
I BIAS = 8mA
8.5dB
11.5dBm
14.5dB
8.6dB
11dBm
15dB
is depicted in Figure 5.
V CC = 4V,
PARAMETER
Power Gain
TOI Output
NF SSB
Power Gain
TOI Output
NF SSB
LO LEVEL
-6dBm
-6dBm
-6dBm
0dBm
0dBm
0dBm
I BIAS = 19mA
10dB
13dBm
20dB
11dB
12.5dBm
24dB
TABLE 3. TYPICAL VALUES OF S 22 FOR THE OUTPUT PORT.
L CH = 390nH I BIAS = 8mA (SET UP OF FIGURE 11)
FREQUENCY
300MHz
600MHz
900MHz
1.1GHz
RESISTANCE
22 ?
7.5 ?
5.2 ?
3.9 ?
REACTANCE
-115 ?
-43 ?
-14 ?
0 ?
TABLE 4. TYPICAL VALUES OF S22. L CH = 390nH, I BIAS = 18mA
FREQUENCY
300MHz
RESISTANCE
23.5 ?
REACTANCE
-110 ?
FIGURE 5. UP/DOWN CONVERTER LAYOUT, 400%;
MATERIAL G10, 0.031
The output matching network has been designed from data
600MHz
900MHz
1.1GHz
10.3 ?
8.7 ?
8 ?
-39 ?
-14 ?
0 ?
taken at the output port at various test frequencies with the
8
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| HFA3101BZ | 制造商:Intersil Corporation 功能描述:IC TRANSISTOR ARRAY GILBERT 制造商:Intersil Corporation 功能描述:IC TRANSISTOR ARRAY, GILBERT |
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