
( Brand: Cornell Dubilier ), ( Manufacturer Part Number: BF-60 ), ( Part Type: Resistance Bridge Radio )
The Cornell Dubilier BF-60 is a high-performance capacitance-resistance bridge designed specifically for use in ham radio applications focused on audio circuits. This bridge offers exceptional accuracy and stability, making it an ideal choice for radio enthusiasts seeking superior audio performance.
The BF-60 bridge consists of four high-precision 1/4 watt resistors and four high-stability capacitors, all enclosed in a compact and rugged epoxy-coated metal housing. The resistors are precision-calibrated to provide a resistance value of 1000 ohms with a tolerance of /- 0.1%, ensuring excellent frequency stability. The capacitors, on the other hand, are designed to provide a capacitance value of 1000 pF with a tolerance of /- 1%, offering consistency in the capacitive reactance.
The bridge is designed to measure the capacitance and resistance of components in an audio circuit, allowing users to accurately determine the values of critical components. This information is essential for optimizing the performance of various ham radio applications, including filters, tuning circuits, and amplifiers.
The BF-60 bridge features a simple and intuitive design, with clear markings on the housing to indicate the proper connection points for the test leads. The bridge is also equipped with a built-in null indicator, making it easy to determine when the bridge is properly balanced and the test is complete.
The Cornell Dubilier BF-60 bridge is built to withstand the rigors of ham radio use, with a high operating temperature range and a robust construction that can withstand the occasional mishap. Its small size and lightweight design make it easy to transport and use in various locations, making it a versatile and indispensable tool for any serious ham radio enthusiast.
In summary, the Cornell Dubilier BF-60 capacitance-resistance bridge is an essential tool for ham radio enthusiasts seeking superior audio performance. Its high-precision components, rugged construction, and intuitive design make it an indispensable addition to any ham radio workbench.
The Cornell Dubilier BF-60 capacitance-resistance bridge is a popular component used in ham radio applications for measuring and calibrating audio frequencies. Here are some pros and cons of buying this bridge:
Pros:1. High Precision: The BF-60 bridge is known for its high precision and accuracy, making it an ideal choice for ham radio operators who require precise measurements for their audio equipment.
2. Wide Frequency Range: The bridge can measure frequencies ranging from 50 Hz to 30 kHz, which covers the entire ham radio audio frequency band.
3. Rugged Construction: The bridge is built to withstand rough handling and harsh environments, making it suitable for use in ham radio applications where it may be subjected to vibration or temperature extremes.
4. Calibration Certificate: Cornell Dubilier offers a calibration certificate with the bridge, ensuring that it meets the highest standards of accuracy and precision.
5. Easy to Use: The bridge is easy to use and can be calibrated quickly and easily using the included instructions and calibration tools.
Cons:1. Cost: The BF-60 bridge is more expensive than some other capacitance-resistance bridges on the market.
2. Complexity: The bridge may be more complex to use for those who are new to ham radio or audio measurements.
3. Size: The bridge is larger than some other capacitance-resistance bridges, which may make it less portable for ham radio operators who travel frequently.
Conclusion:The Cornell Dubilier BF-60 capacitance-resistance bridge is a high-precision, rugged component that is ideal for ham radio audio applications. Its wide frequency range, ease of use, and calibration certificate make it a popular choice among ham radio operators. However, its cost and size may be drawbacks for some users. Ultimately, the decision to purchase the BF-60 bridge depends on the specific needs and budget of the ham radio operator.
Recommendation:If you are a ham radio operator who requires precise measurements and calibration of your audio equipment, the Cornell Dubilier BF-60 capacitance-resistance bridge is an excellent choice. Its high precision, rugged construction, and wide frequency range make it a reliable and accurate tool for your ham radio setup. However, if cost or portability is a concern, you may want to consider other options that may be more affordable or compact.
Note three shipping options. Updated AC line cord. Bright eye tube display. See pictures for overall cosmetic condition.
This is in working condition. Buyer to pay shipping. Leakage test for electrolytic capacitors to 450 volts in 5 ranges. Nice vintage CORNELL-DUBILIER model BF-60 capacitance - resistance bridge.
Several out-of-tolerance components replaced. Fresh set of quality test leads.