
1633-A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $250.00 | Condition is For parts or not working, GENERAL RADIO TYPE 1633-A INCREMENTAL INDUCTANCE BRIDGE - UNTESTED as is, shipping cost = $39.79 | 99.8% |
![]() | $599.99 | Top Pick! Condition is For parts or not working, iET Calibration 1633-A Inductance Bridge & General Radio Untested AS-IS GC-6064, FREE SHIPPING | 99.6% |
![]() | $800.00 | Condition is For parts or not working, General Radio 1630-AV Inductance measuring assembly, 1633-A, 1308-A, 1265-A, shipping cost = $ | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.00 | Condition is Used, General Radio 1633-A 1630-a Incremental Inductance Bridge Manual Only, FREE SHIPPING | 100.0% |
![]() | $39.99 | Condition is Used, General Radio Type 1633-A Inductance Bridge & Type 1630-AV Measuring Assy Manual, FREE SHIPPING | 99.3% |
![]() | $499.99 | Condition is Used, GENERAL RADIO TYPE 1633-A INCREMENTAL INDUCTANCE BRIDGE -USA- POWERS ON -NK8, shipping cost = $89.99 | ![]() |

The LM144 Incremental Inductance Bridge from Texas Instruments is a versatile and high-performance radio-frequency (RF) bridge designed for inductance and capacitance measurement applications. This manual version of the bridge, model number 1633-A, offers an economical solution for researchers, engineers, and technicians seeking accurate and reliable RF bridge functionality.
The LM144 employs an automatic bridge balancing feature, which ensures optimal bridge performance even when operating with complex component configurations. The bridge's input impedance is adjustable, enabling it to accommodate a wide range of RF sources, from simple generators to sophisticated test sets.
The 1633-A model features a low-frequency cutoff of 10 Hz and a high-frequency limit of 100 MHz, making it suitable for applications requiring measurements in the audio to microwave frequency range. This bridge is ideal for measuring inductances as low as 1 nH and capacitances as low as 1 pF, offering high accuracy and excellent resolution.
The bridge is designed with a user-friendly interface that includes an LED display for real-time measurement readings. It offers both analog and digital outputs, allowing users to choose the most convenient format for their specific measurement needs. Additionally, the LM144 features an automatic zero function and a calibration input for traceability to accepted standards.
The rugged construction of the LM144 ensures durability and stability under various operating conditions. It can withstand an operating temperature range of -40 C to 85 C and features a low power consumption of approximately 50 mW. The bridge is compact and lightweight, making it an excellent choice for benchtop and portable measurement applications.
In summary, the LM144 Incremental Inductance Bridge (model 1633-A) from Texas Instruments is a versatile, high-performance, and cost-effective solution for RF inductor and capacitor measurement applications. Its user-friendly design, wide frequency range, and automatic balancing feature make it an essential tool for researchers, engineers, and technicians working in the field of RF and microwave technology.
The LSM144 is a general-purpose inductance-to-digital converter (IDC) manufactured by Texas Instruments. This IC is often used in applications requiring the measurement of inductance values, such as current sensing, motor control, and energy metering. Here are some pros and cons of buying an LSM144 IC:
Pros:1. High accuracy: The LSM144 offers a high level of accuracy, making it suitable for applications where precise inductance measurements are required.
2. Low power consumption: This IC operates at a low power consumption level, which makes it an attractive option for battery-powered applications.
3. Wide measurement range: The LSM144 can measure inductances between 10 nH and 50 mH, making it a versatile solution for various applications.
4. Easy-to-use: The LSM144 comes with an on-chip amplifier and an adjustable gain amplifier, making the measurement setup relatively simple and easy to use.
5. High resolution: With a 12-bit resolution, the LSM144 can provide precise and detailed measurements.
Cons:1. Complex calibration: The LSM144 requires a complex calibration process to ensure accurate measurements. This process may add additional time and cost to the design and development phase.
2. Limited measurement rate: The LSM144 has a relatively slow measurement rate, which may not be suitable for applications requiring fast response times.
3. Limited compatibility: The LSM144 may not be compatible with all microcontrollers and development boards, requiring additional hardware and software support.
4. Limited supply voltage range: The LSM144 has a limited supply voltage range of 1.8V to 5.5V, which may not be suitable for all applications.
Conclusion:The LSM144 is a versatile and accurate IDC that offers a wide measurement range, low power consumption, and easy-to-use features. However, the complex calibration process and limited measurement rate may be drawbacks for some applications. If precise inductance measurements are required in a low-power application, the LSM144 may be an excellent choice. However, if fast response times or compatibility with a wide range of microcontrollers and development boards are necessary, alternative solutions may be more suitable.
Recommendation:If you require precise inductance measurements in a low-power application, the LSM144 may be an excellent option to consider. However, be prepared for the complex calibration process and limited measurement rate. If fast response times or compatibility with a wide range of microcontrollers and development boards are essential, consider alternative IDC solutions with faster measurement rates and broader compatibility.
Details:
Has some wear from being used. Acquired from a reliable source. Used items have a 30-day return.
specifications heavymanualbooks:
- brand: General Radio
- mpn: 1633-a
- part type: Bridge Manual Radio
shipping heavymanualbooks:
- type: fixed
- service: usps media mail
- carrier: usps
- transit: 4-11 days
- class: economy
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
returns heavymanualbooks:
- paid by: seller
- policy: returns accepted
- time: 30 days
- method: money back
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seller heavymanualbooks:
- city: bosque farms, new mexico
- rating: 99.8%
- # reviews: 55683
offer heavymanualbooks:
- best offers: true
- prices: $250.00–$800.00
- item condition:
- For parts or not working
- Used
- availability: in stock
- sold #: 12
- in stock #: 5
- options: ship-to-home
- started: november 6, 2025
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