WVBP-783-WR12+ - 76-81 GHz WR12 Waveguide Bandpass Filter | Mini-Circuits
MPN: WVBP-783-WR12+ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2895 | $2,895.00 |
| 5 | $2750 | $13,750.00 |
| 10 | $2620 | $26,200.00 |
| 25 | $2475 | $61,875.00 |
| 50 | $2350 | $117,500.00 |
WVBP-783-WR12+ Overview
A waveguide bandpass filter is a passive RF component that selects a defined frequency band inside a hollow metallic waveguide while rejecting out-of-band energy. In the system hierarchy it sits between antenna/RF front-end modules and the down-conversion or transceiver chain, providing pre-select filtering that protects sensitive receivers from adjacent-channel interference and out-of-band blockers. Waveguide structures are favored at millimeter-wave frequencies because they exhibit very low loss compared to microstrip or stripline at the same wavelengths.
Key features include a passband of 76-81 GHz, insertion loss between 0.6 and 1.5 dB, rejection of 20 to 91 dB depending on offset frequency, and operating temperature range of -40 to +85 C. The filter uses the WR12 standard rectangular waveguide interface (also designated as WG26 / R740 per IEC 60154), making it compatible with mainstream E-band test bench hardware and millimeter-wave instrumentation. The case style is TH2793 with environmental rating ENV80 per the manufacturer datasheet.
Technical depth: the WVBP-series filters leverage Virginia Diodes' precision-machined resonator cavities, offering high Q-factor and excellent roll-off steepness. The construction produces consistent repeatable mode and superior quality plating for long-term stability in laboratory and production environments. Typical 3 dB bandwidth and 1 dB bandwidth figures are specified in the per-model data sheet.
Typical applications include E-band (71-86 GHz) telecommunications links, automotive 77 GHz radar test, millimeter-wave instrumentation, 5G FR2+ test and measurement, and satellite payload filtering. The filter is engineered for metrology-grade measurement benches and production ATE where repeatable insertion loss and high out-of-band rejection are critical.
When designing with this part, ensure the waveguide flange surface is clean and that UG-387/U-M precision flanges and screws are torqued to spec to avoid flange leakage at 80 GHz, where even small gaps introduce measurable loss. Use a calibrated vector network analyzer with appropriate millimeter-wave test heads when verifying S-parameters.
This page synthesizes distributor inventory data, drop-in alternatives, and practical waveguide integration notes that complement the manufacturer datasheet PDF.
Drop-in alternatives for WVBP-783-WR12+ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with WVBP-783-WR12+ (same form factor and footprint) — differing in ECCN, Insertion Loss, Mounting Type, Operating Temperature, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
WVBP-733-WR12+
✅ Drop-In✓ In Stock
$1195 / Unit
View Datasheet →WVBP-673-WR12+
✅ Drop-In📋 Reference alternative (not in catalog)
WVBP-823-WR12+
✅ Drop-In📋 Reference alternative (not in catalog)
WVBP-783-WR12+ Maximum Ratings & Electrical Characteristics
| Passband Frequency Range | 76,000 to 81,000 MHz |
| Insertion Loss | 0.6 to 1.5 dB (in passband) |
| Rejection | 20 to 91 dB (frequency-dependent) |
| Waveguide Interface | WR12 (rectangular) |
| Operating Temperature | -40 C to +85 C |
| Case Style | TH2793 |
| Environmental Rating | ENV80 |
| Filter Type | Bandpass (waveguide cavity) |
| Mounting Type | Waveguide flange (precision UG-387/U-M compatible) |
| RoHS Status | Compliant (RoHS Material Declaration available) |
| ECCN | Not available (per Mini-Circuits WebStore) |
| Manufacturer Collaboration | Virginia Diodes (precision-machined resonator cavities) |
WVBP-783-WR12+ th2793 Pin Configuration Guide
Pin configuration for WVBP-783-WR12+ (th2793 package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for WVBP-783-WR12+.
Refer to the datasheet for full pin configuration.
Typical Applications
WVBP-783-WR12+ is suitable for 6 applications: E-band Point-to-Point Backhaul Filtering, Automotive 77 GHz Radar Test, Millimeter-Wave Instrumentation and VNA Test, 5G FR2+ Research and Test, Satellite Payload Pre-Select Filtering, Defense and Electronic Warfare Test.
E-band Point-to-Point Backhaul Filtering
The WVBP-783-WR12+ provides pre-select filtering for E-band (71-86 GHz) point-to-point backhaul links where the WVBP-783-WR12+'s 76-81 GHz passband overlaps the FCC-allocated 71-76 / 81-86 GHz duplex pairs plus the 76-81 GHz common-band tier. Its 0.6-1.5 dB insertion loss adds minimal link-budget penalty, and the 20-91 dB rejection suppresses adjacent-channel interference that would otherwise desensitize the LNA. The WR12 flange mates to standard UG-387/U-M hardware used in commercial E-band transceivers, enabling drop-in integration at the antenna feed or transceiver input.
Recommended
Automotive 77 GHz Radar Test
The WVBP-783-WR12+ is well suited for 77 GHz automotive radar test benches where its passband covers the 76-81 GHz ISM and radar-allocated spectrum. The -40 to +85 C operating range matches automotive test-chamber thermal envelopes, and the high rejection (up to 91 dB) protects sensitive radar target simulators from out-of-band interference. The WVBP-783-WR12+'s WR12 interface pairs directly with 77 GHz radar modules and ETSI/FCC band-limited measurement setups, providing clean pre-selection before the spectrum analyzer or signal generator stages.
Recommended
Millimeter-Wave Instrumentation and VNA Test
The WVBP-783-WR12+ serves as a precision pre-filter in millimeter-wave vector network analyzer (VNA) frequency-extension test setups. Its metrology-grade insertion loss and Virginia Diodes-derived resonator precision make it suitable for characterizing DUTs in the 76-81 GHz range. The TH2793 case style provides repeatable mechanical alignment critical for repeatable VNA calibrations, while ENV80 environmental rating allows deployment in production ATE without special enclosures.
Recommended
5G FR2+ Research and Test
The WVBP-783-WR12+ enables filtering for 5G FR2+ research platforms operating in the upper millimeter-wave bands beyond 76 GHz. The 76-81 GHz passband aligns with several experimental 6G candidate bands and research allocations, and the high-rejection skirt protects receivers from adjacent 5G FR2-1 and WiGig signals. The WR12 flange simplifies integration with FR2 test antennas and down-conversion modules, while the Mini-Circuits datasheet provides full S-parameter graphs for system simulation.
Recommended
Satellite Payload Pre-Select Filtering
The WVBP-783-WR12+ provides pre-select filtering in satellite payload ground equipment operating in the 76-81 GHz Q-band research allocations. Its high rejection (up to 91 dB) prevents image frequencies from reaching LNA inputs, and the WR12 precision flange maintains low-loss connections critical for receive-chain noise figure. The Mini-Circuits datasheet specifies environmental qualification ENV80 suitable for ground-segment installations.
Recommended
Defense and Electronic Warfare Test
The WVBP-783-WR12+ supports defense electronic warfare test setups where its 76-81 GHz passband covers emerging threat-simulation frequencies. The high rejection (up to 91 dB) prevents co-site interference from polluting threat-simulator outputs, while the WR12 interface allows direct integration with EW receiver front-ends. The Mini-Circuits WVBP-series data sheet shows S-parameter performance over the full military temperature range.
Recommended
Recommended Products Summary
Engineering reference data for WVBP-783-WR12+ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | WVBP-733-WR12+ | WVBP-673-WR12+ | WVBP-823-WR12+ |
|---|---|---|---|---|
| Brand | Mini-Circuits | Mini-Circuits | Mini-Circuits | Mini-Circuits |
| Package / Waveguide Interface | WR12 (case style TH2793) | WR12 (case style TH2793 family) - same | WR12 (case style TH2793 family) - same | WR12 (case style TH2793 family) - same |
| Rejection | 20 to 91 dB | Similar WVBP-series spec (~20-90 dB) | Similar WVBP-series spec (~20-90 dB) | Similar WVBP-series spec (~20-90 dB) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Environmental Rating | ENV80 | ENV80 | ENV80 | ENV80 |
| RoHS Status | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Virginia Diodes metrology-grade resonator cavities (vs WVBP-733-WR12+)
- ENV80 environmental qualification (vs WVBP-673-WR12+)
- Standard WR12 flange interface (vs WVBP-823-WR12+)
Design Notes
Flange cleanliness is critical at 80 GHz: any dust, fingerprint, or scratch on the WR12 flange face will introduce measurable leakage loss. Use IPA and lint-free swabs before each mating, and torque UG-387/U-M flange screws to the manufacturer-specified value (typically 4-6 in-oz). A single dirty joint can add 0.5-2 dB of loss and create resonances that destroy measurement accuracy.
The WVBP-783-WR12+ must be mounted on a rigid, vibration-free test bench or chassis. At WR12 wavelengths (~3.1 mm), mechanical flex in the waveguide section between the filter and the DUT can shift S-parameter phase references. Use rigid waveguide sections or precision-machined spacer blocks, and avoid flexible waveguide sections immediately adjacent to the filter when characterizing passband flatness.
When verifying the WVBP-783-WR12+ passband with a VNA, perform a full 2-port calibration at the WR12 test ports immediately before measurement. The 76-81 GHz band is at the edge of typical frequency-extension coverage, and connector repeatability dominates measurement uncertainty. Use a calibration kit with known WR12 standards and re-calibrate after any mechanical disturbance.
Compliance Information
RoHS compliant per Mini-Circuits RoHS Material Declaration. ENV80 environmental rating per Mini-Circuits datasheet. AEC-Q100 not applicable for passive waveguide filter.
