Products Description
The BR91531FPJ and BR9361FPJ are high-precision Digital Step Attenuator for wideband RF applications. They offer fine attenuation steps, low insertion loss, TTL/CMOS compatible control, and compact QFN24 packaging. Operating from DC–8 GHz or 10 MHz–8 GHz, these devices deliver accurate, flexible attenuation control for RF and IF circuits with low power consumption.
Products Specification
|
|
BR91531FPJ |
BR9361FPJ |
|
Frequency |
DC ~ 8GHz |
10MHz ~ 8GHz |
|
Attenuation range |
0.5dB LSB steps to 31.5dB |
0.25dB LSB steps to 31.75dB |
|
Insertion loss |
/ |
-1.2dB@800MHz |
|
Input power for 1dB compression |
/ |
+36.3dBm@800MHz |
|
Supply voltage |
+5V/+3.3V |
/ |
|
Supply current |
VDD=5V, static current 3mA |
3mA @ Vdd=+5V |
|
Package |
QFN24 (4mm x 4mm) |
QFN24 (4mm×4mm) |
Products Parameter
BR91531FPJ
|
Parameters |
Typ. |
Units |
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|
Frequency |
1 |
30 |
100 |
400 |
1000 |
4000 |
8000 |
MHz |
|
Insertion loss |
-1 |
-1 |
-1 |
-1.1 |
-1.1 |
-1.7 |
-2.3 |
dB |
|
Attenuation accuracy (0.5dB) |
0.00 |
0.00 |
-0.07 |
-0.03 |
-0.03 |
0.00 |
0.00 |
dB |
|
Attenuation accuracy (1dB) |
0.00 |
0.00 |
-0.07 |
-0.07 |
-0.03 |
-0.03 |
0.00 |
dB |
|
Attenuation accuracy (2dB) |
0.00 |
-0.03 |
-0.07 |
-0.10 |
-0.13 |
-0.07 |
-0.03 |
dB |
|
Attenuation accuracy (4dB) |
0.00 |
0.00 |
-0.07 |
-0.10 |
-0.13 |
-0.07 |
-0.07 |
dB |
|
Attenuation accuracy (8dB) |
0.37 |
0.40 |
0.33 |
0.13 |
0.07 |
0.07 |
0.30 |
dB |
|
Attenuation accuracy (16dB) |
0.57 |
0.57 |
0.47 |
0.07 |
-0.03 |
0.00 |
0.70 |
dB |
|
Attenuation accuracy (31.5dB) |
0.87 |
0.83 |
0.70 |
0.13 |
-0.20 |
-0.03 |
1.30 |
dB |
|
Input return loss |
-22.79 |
-25.30 |
-25.41 |
-24.55 |
-23.48 |
-25.85 |
-22.25 |
dB |
|
Output return loss |
-23.05 |
-25.24 |
-25.39 |
-25.30 |
-24.16 |
-37.85 |
-19.57 |
dB |
|
Switching characteristics |
80.6 Trise (50% CTL-90% RF) |
51.9 Tfall (50% CTL-10% RF) |
ns |
|||||
|
Test conditions: VDD=+5V, I=2mA, TA=+25℃ |
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BR9361FPJ
|
Parameters |
Typ. |
Units |
||||||
|
Frequency |
10 |
50 |
100 |
300 |
800 |
1000 |
1400 |
MHz |
|
Reference state insertion loss |
-1.1 |
-1.1 |
-1.1 |
-1.1 |
-1.2 |
-1.3 |
-1.4 |
dB |
|
Attenuation accuracy (0.25dB) |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
dB |
|
Attenuation accuracy (0.5dB) |
-0.01 |
-0.01 |
-0.01 |
-0.01 |
-0.01 |
-0.01 |
0.01 |
dB |
|
Attenuation accuracy (1 dB) |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
-0.03 |
-0.03 |
-0.02 |
dB |
|
Attenuation accuracy (2 dB) |
-0.04 |
-0.04 |
-0.04 |
-0.05 |
-0.07 |
-0.07 |
-0.06 |
dB |
|
Attenuation accuracy (4 dB) |
-0.02 |
-0.03 |
-0.04 |
-0.07 |
-0.11 |
-0.11 |
-0.10 |
dB |
|
Attenuation accuracy (8 dB) |
0.32 |
0.30 |
0.26 |
0.09 |
0.05 |
0.05 |
-0.02 |
dB |
|
Attenuation accuracy (16 dB) |
0.70 |
0.68 |
0.68 |
0.58 |
0.21 |
0.14 |
0.05 |
dB |
|
Attenuation accuracy (31.5dB) |
0.89 |
0.86 |
0.87 |
0.79 |
-0.07 |
-0.14 |
-0.29 |
dB |
|
Input return loss |
-20.0 |
-20.2 |
-20.2 |
-20.2 |
-19.6 |
-19.3 |
-19.5 |
dB |
|
Output return loss |
-20.0 |
-20.2 |
-20.1 |
-19.8 |
-18.8 |
-18.7 |
-18.6 |
dB |
|
Input power for 1dB compression |
20.5 |
24.2 |
26.2 |
34.9 |
36.3 |
36.5 |
36.9 |
dBm |
|
Frequency |
1800 |
2000 |
2600 |
3000 |
3600 |
4000 |
4500 |
MHz |
|
Reference state insertion loss |
-1.5 |
-1.5 |
-1.6 |
-1.7 |
-1.7 |
-1.6 |
-1.8 |
dB |
|
Attenuation accuracy (0.25dB) |
-0.03 |
-0.03 |
-0.04 |
-0.04 |
-0.06 |
-0.08 |
-0.08 |
dB |
|
Attenuation accuracy (0.5dB) |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
-0.01 |
0.01 |
dB |
|
Attenuation accuracy (1 dB) |
-0.02 |
-0.02 |
-0.02 |
-0.03 |
-0.04 |
-0.06 |
-0.06 |
dB |
|
Attenuation accuracy (2 dB) |
-0.06 |
-0.06 |
-0.06 |
-0.06 |
-0.07 |
-0.09 |
-0.07 |
dB |
|
Attenuation accuracy (4 dB) |
-0.10 |
-0.11 |
-0.11 |
-0.10 |
-0.10 |
-0.11 |
-0.09 |
dB |
|
Attenuation accuracy (8 dB) |
-0.03 |
-0.05 |
-0.08 |
-0.09 |
-0.12 |
-0.20 |
-0.24 |
dB |
|
Attenuation accuracy (16 dB) |
-0.02 |
-0.07 |
-0.15 |
-0.20 |
-0.26 |
-0.33 |
-0.42 |
dB |
|
Attenuation accuracy (31.5dB) |
-0.31 |
-0.42 |
-0.55 |
-0.61 |
-0.76 |
-0.54 |
-1.00 |
dB |
|
Input return loss |
-20.5 |
-21.3 |
-23.8 |
-23.1 |
-26.0 |
-40.9 |
-17.4 |
dB |
|
Output return loss |
-19.4 |
-20.4 |
-21.7 |
-21.9 |
-24.4 |
-39.2 |
-18.3 |
dB |
|
Input power for 1dB compression |
37.1 |
37.3 |
37.4 |
37.1 |
36.9 |
36.7 |
36.4 |
dBm |
|
Frequency |
5000 |
5500 |
6000 |
6500 |
7000 |
7500 |
8000 |
MHz |
|
Reference state insertion loss |
-2.1 |
-2.6 |
-2.8 |
-2.6 |
-2.4 |
-2.3 |
-2.2 |
dB |
|
Attenuation accuracy (0.25dB) |
-0.07 |
-0.04 |
-0.04 |
-0.05 |
-0.08 |
-0.11 |
-0.13 |
dB |
|
Attenuation accuracy (0.5dB) |
0.02 |
0.06 |
0.07 |
0.05 |
0.04 |
0.04 |
0.04 |
dB |
|
Attenuation accuracy (1 dB) |
-0.03 |
0.02 |
0.03 |
-0.01 |
-0.03 |
-0.04 |
-0.05 |
dB |
|
Attenuation accuracy (2 dB) |
0.00 |
0.08 |
0.09 |
0.02 |
-0.02 |
-0.02 |
-0.01 |
dB |
|
Attenuation accuracy (4 dB) |
-0.02 |
0.05 |
0.03 |
-0.10 |
-0.14 |
-0.08 |
-0.04 |
dB |
|
Attenuation accuracy (8 dB) |
-0.19 |
-0.05 |
-0.04 |
-0.16 |
-0.20 |
-0.12 |
-0.13 |
dB |
|
Attenuation accuracy (16 dB) |
-0.35 |
-0.22 |
-0.18 |
-0.27 |
-0.28 |
-0.01 |
0.10 |
dB |
|
Attenuation accuracy (31.5dB) |
-0.65 |
-0.66 |
-0.53 |
-0.68 |
-0.81 |
-0.35 |
-0.31 |
dB |
|
Input return loss |
-12.7 |
-10.0 |
-10.0 |
-11.8 |
-15.3 |
-23.1 |
-30.2 |
dB |
|
Output return loss |
-13.3 |
-10.3 |
-10.1 |
-12.3 |
-15.4 |
-20.4 |
-21.9 |
dB |
|
Input power for 1dB compression |
36.4 |
36.8 |
36.7 |
- |
- |
- |
- |
dBm |
|
Switching time |
105ns (rise switch) |
68ns (down switch) |
ns |
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|
Test conditions: Vdd=+5V, I=3mA, Temp=+25℃ |
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Advantages
Deeply engaged in the field of RF and microwave, we offer a wide range of RF front-end control products, including Digital Step Attenuators, RF switches, phase shifters, limiters, and equalizers. Our products feature broad frequency coverage, high precision, and excellent performance. With our comprehensive product line, we provide customers with a one-stop RF front-end solution and customized services, ensuring seamless integration and reliable operation.
Support Serial and Parallel Control
Low Insertion Loss
High Accuracy
Products Application
Service
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Service and Support |
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We provide customers with comprehensive professional services, including consultation, implementation, training, and technical support, and offer customized solutions tailored to different application scenarios to meet diverse customer needs |
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Product Selection We provide optimal product selection schemes based on specific customer application requirements |
Technical Consulting We supply technical data such as product specifications, test data, and other technical materials required by customers |
Professional Team Our team consists of professional R&D personnel and a complete technical support system, delivering systematic solutions |
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Technical Support · Rapid response and efficient delivery · Product selection guidance · Provision of systematic solutions · Free sample trial offer |
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FAQ
Q: Can each attenuation bit be individually controlled?
A:Yes, each bit is controlled via TTL/CMOS signals.
Q:Can these attenuators operate in high-frequency circuits without spurious signals?
A:No, both devices operate without spurious signals, ensuring clean attenuation.
Q: Are these attenuators suitable for RF and IF circuits?
A: Yes, they provide precise attenuation control for both RF and IF applications.
Q: Does the product support free samples or trial shipping?
A: Yes, we provide free samples and trial units upon request to qualified customers.
Q: What is the MOQ?
A: The MOQ is 10 pieces, making it convenient for small-batch testing and applications.
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