power supply subunit
SB7-B1-YARII
Price on request
power supply subunit
Description
SB7-B1-YARII power supply subunit
SB7-B1-YARII is a removable electronic subunit used as the internal power supply module in the B1-YARII receiver-exciter of the Yadro-1 airborne HF radio station. The module forms and supplies stabilized voltages required for operation of the receiver-exciter’s internal electronic circuits. It is installed directly inside the B1-YARII parent assembly and is not used as a standalone aircraft power unit. The subunit supports the operation of other functional modules inside the receiver-exciter.
Power supply function of SB7-B1-YARII
The main function of SB7-B1-YARII is to provide electrical power to the internal subblocks of the B1-YARII receiver-exciter. The module generates stabilized voltages for circuits used by the reference oscillator, IF amplifier, modulator and other electronic sections. Stable output from the SB7-B1 power supply is important for normal receiver and transmitter operation. If this subunit is defective, the radio station may show unstable tuning, weak reception, transmission faults, failure of individual modules or complete malfunction of the receiver-exciter.
SB7-B1-YARII in the B1-YARII receiver-exciter
The SB7-B1-YARII subunit is installed in the B1-YARII receiver-exciter, which is a main block of the Yadro-1 airborne long-range HF communication radio station. Inside the receiver-exciter, it works as a service module that supplies operating voltages to other removable electronic subunits. These may include SB1-B1 reference oscillator, SB2-B1 main signal selector / IF amplifier, SB3-B1 modulator, SB4-B1 detector and AF amplifier, SB5-B1 RF block and SB6-B1 frequency synthesizer. This makes SB7-B1 one of the support modules for the complete receiver-exciter architecture.
Cooling and operating context of SB7-B1-YARII
During operation, the SB7-B1-YARII power supply works inside the radio station assembly and is cooled as part of the general radio equipment installation. According to the source context, cooling is provided by forced airflow from a fan integrated into the common shock-mounted frame of the radio station. Proper cooling is important because power supply components can be sensitive to overheating under continuous operation. During maintenance, technicians should check the power supply module together with ventilation, connector condition, mounting, stabilizer circuits and output voltage stability.
Application in Yadro-1 and R-846 radio equipment
SB7-B1-YARII is associated with the Yadro-1 airborne shortwave radio station and may also be used in the context of R-846 modifications, depending on system documentation. The Yadro-1 radio station is installed on domestic aircraft and helicopters, including civil and transport versions of Mi-8 / Mi-17 family helicopters and other aircraft with compatible HF communication equipment. Since radio installations can differ by aircraft type, radio station version and modernization status, applicability should be confirmed through the aircraft equipment list and B1-YARII configuration.
Identification and ordering of SB7-B1-YARII
The module may be referenced as SB7-B1-YARII, SB7B-B1-YARII, СБ7-Б1-ЯРII, СБ7-Б1-ЯPII or SB7B1-KTSIIIM. It may also be described as a power supply, power supply board, PSU board, electronic module, board or subunit. Before ordering, the parent assembly, decimal number, required condition and documentation set should be confirmed. The unit may be needed for receiver-exciter repair, power supply fault troubleshooting, Yadro-1 radio station restoration or spare parts stock.
Details
Product Type: Power supply / PSU electronic subunit
Designation: SB7-B1-YARII
Russian Designation: СБ7-Б1-ЯРII
Alternative Designations: SB7B-B1-YARII, СБ7Б-Б1-ЯРII, СБ7-Б1-ЯP11, СБ7-Б1-ЯPII, SB7B1-KTSIIIM
Decimal Number: И82.087.077
Alternative Product Names: Power supply, power supply board, PSU board, electronic subunit, electronic module, board
Function: Formation and supply of stabilized voltages for receiver-exciter internal modules
Application / Where Used: Yadro-1 airborne HF radio station receiver-exciter
System / Installation Area: B1-YARII receiver-exciter / internal power supply section
Associated Radio System: Yadro-1 airborne shortwave radio station; R-846 modifications where applicable according to documentation
Compatible Aircraft / Equipment: Mi-8, Mi-17 and other aircraft or helicopters equipped with compatible Yadro-1 / R-846 radio equipment
Parent Assembly: B1-YARII-1A; B1-IARP-1A; Б1-ЯРII-1А; Б1-ЯР2-1А
Module Role: Internal stabilized power supply for B1-YARII subblocks
Supplied Internal Modules: SB1-B1 reference oscillator; SB2-B1 IF selector / amplifier; SB3-B1 modulator; SB4-B1 detector and AF amplifier; SB5-B1 RF block; SB6-B1 frequency synthesizer
Cooling: Forced airflow through radio station frame fan, according to source context
Construction: Removable electronic board / power supply subunit
Category: Aviation radio communication equipment / electronic subunit
Condition: New / As-Stored / Overhauled / Serviceable, depending on availability
Technical Documentation: Product passport, Yadro-1 radio station documentation, B1-YARII receiver-exciter documentation, test records and setup documentation if available
Payment & delivery
All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.
In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.
Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.
Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.
Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.
Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.
- Description
- Details
- Payment & delivery
SB7-B1-YARII power supply subunit
SB7-B1-YARII is a removable electronic subunit used as the internal power supply module in the B1-YARII receiver-exciter of the Yadro-1 airborne HF radio station. The module forms and supplies stabilized voltages required for operation of the receiver-exciter’s internal electronic circuits. It is installed directly inside the B1-YARII parent assembly and is not used as a standalone aircraft power unit. The subunit supports the operation of other functional modules inside the receiver-exciter.
Power supply function of SB7-B1-YARII
The main function of SB7-B1-YARII is to provide electrical power to the internal subblocks of the B1-YARII receiver-exciter. The module generates stabilized voltages for circuits used by the reference oscillator, IF amplifier, modulator and other electronic sections. Stable output from the SB7-B1 power supply is important for normal receiver and transmitter operation. If this subunit is defective, the radio station may show unstable tuning, weak reception, transmission faults, failure of individual modules or complete malfunction of the receiver-exciter.
SB7-B1-YARII in the B1-YARII receiver-exciter
The SB7-B1-YARII subunit is installed in the B1-YARII receiver-exciter, which is a main block of the Yadro-1 airborne long-range HF communication radio station. Inside the receiver-exciter, it works as a service module that supplies operating voltages to other removable electronic subunits. These may include SB1-B1 reference oscillator, SB2-B1 main signal selector / IF amplifier, SB3-B1 modulator, SB4-B1 detector and AF amplifier, SB5-B1 RF block and SB6-B1 frequency synthesizer. This makes SB7-B1 one of the support modules for the complete receiver-exciter architecture.
Cooling and operating context of SB7-B1-YARII
During operation, the SB7-B1-YARII power supply works inside the radio station assembly and is cooled as part of the general radio equipment installation. According to the source context, cooling is provided by forced airflow from a fan integrated into the common shock-mounted frame of the radio station. Proper cooling is important because power supply components can be sensitive to overheating under continuous operation. During maintenance, technicians should check the power supply module together with ventilation, connector condition, mounting, stabilizer circuits and output voltage stability.
Application in Yadro-1 and R-846 radio equipment
SB7-B1-YARII is associated with the Yadro-1 airborne shortwave radio station and may also be used in the context of R-846 modifications, depending on system documentation. The Yadro-1 radio station is installed on domestic aircraft and helicopters, including civil and transport versions of Mi-8 / Mi-17 family helicopters and other aircraft with compatible HF communication equipment. Since radio installations can differ by aircraft type, radio station version and modernization status, applicability should be confirmed through the aircraft equipment list and B1-YARII configuration.
Identification and ordering of SB7-B1-YARII
The module may be referenced as SB7-B1-YARII, SB7B-B1-YARII, СБ7-Б1-ЯРII, СБ7-Б1-ЯPII or SB7B1-KTSIIIM. It may also be described as a power supply, power supply board, PSU board, electronic module, board or subunit. Before ordering, the parent assembly, decimal number, required condition and documentation set should be confirmed. The unit may be needed for receiver-exciter repair, power supply fault troubleshooting, Yadro-1 radio station restoration or spare parts stock.
Product Type: Power supply / PSU electronic subunit
Designation: SB7-B1-YARII
Russian Designation: СБ7-Б1-ЯРII
Alternative Designations: SB7B-B1-YARII, СБ7Б-Б1-ЯРII, СБ7-Б1-ЯP11, СБ7-Б1-ЯPII, SB7B1-KTSIIIM
Decimal Number: И82.087.077
Alternative Product Names: Power supply, power supply board, PSU board, electronic subunit, electronic module, board
Function: Formation and supply of stabilized voltages for receiver-exciter internal modules
Application / Where Used: Yadro-1 airborne HF radio station receiver-exciter
System / Installation Area: B1-YARII receiver-exciter / internal power supply section
Associated Radio System: Yadro-1 airborne shortwave radio station; R-846 modifications where applicable according to documentation
Compatible Aircraft / Equipment: Mi-8, Mi-17 and other aircraft or helicopters equipped with compatible Yadro-1 / R-846 radio equipment
Parent Assembly: B1-YARII-1A; B1-IARP-1A; Б1-ЯРII-1А; Б1-ЯР2-1А
Module Role: Internal stabilized power supply for B1-YARII subblocks
Supplied Internal Modules: SB1-B1 reference oscillator; SB2-B1 IF selector / amplifier; SB3-B1 modulator; SB4-B1 detector and AF amplifier; SB5-B1 RF block; SB6-B1 frequency synthesizer
Cooling: Forced airflow through radio station frame fan, according to source context
Construction: Removable electronic board / power supply subunit
Category: Aviation radio communication equipment / electronic subunit
Condition: New / As-Stored / Overhauled / Serviceable, depending on availability
Technical Documentation: Product passport, Yadro-1 radio station documentation, B1-YARII receiver-exciter documentation, test records and setup documentation if available
All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.
In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.
Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.
Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.
Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.
Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.