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API Technologies

Configurable Switched Filter Banks


20-7500 MHz, 2 to 7 Channels, User-Configurable

API Technologies’ standard switched filter banks (310-020050-XXX series) offer customer-defined passband frequencies from 20 MHz to 7500 MHz with 2-7 channels. This series features the same high performance of a custom designed switched filter at a reduced cost.

Cost reduction is achieved by using common switch manifolds and machined parts that are populated with custom filters. The filter banks are ideal for a wide range of applications where low cost and high performance is required.

Standard Switched Filter Bank Key Features:

  • Passband Frequency 20-7500 MHz
  • Up to 7 Customizable Channels
  • Single +5.0 Volt Supply
  • TTL Selectable
  • Low Insertion Loss of < 5.0 dB
  • Fast Switching Speed of < 500 ns
  • High Rejection > 60 dB typical
  • Small Form Factor
Fully-customizable designs: 20-7500 MHz, 2 to 7 Channels

Fully-customizable designs: 20-7500 MHz, 2 to 7 Channels

Switching speeds as low as 0.1 μs & isolation performance up to 80 dB.

Switching speeds as low as 20 ns &
isolation performance up to 80 dB.

Switch manifolds are channelized to obtain maximum channel-to-channel isolation.

Switch manifolds are channelized to obtain maximum channel-to-channel isolation.

We monitor critical phases of the production process with proprietary data logging technology.

We monitor critical phases of the production process with proprietary data logging technology.

We deliver designs that meet specifications and exceed our expectations.

We deliver designs that meet specifications
and exceed your expectations.

Our switched Filter Banks include a blend of both standard and custom features.

Our switched Filter Banks include a blend
of both standard and custom features.

In-house pick and place capabilities allow for lower costs and decreased lead times.

In-house pick and place capabilities allow
for lower costs and decreased lead times.

Design a Switched Filter Bank

 


Electrical Specifications

Parameter

Min

Typ

Max
nels

Units

Notes

Frequency Range 20 - 7500 MHz
Insertion Loss (≥ 35% bandwidth) - 5.0 6.5 dB Narrower bandwidth filters will have more loss
Input / Output VSWR (Across Passband) - 1.8:1 2.0:1 Ratio
Passband Flatness - 1.0 1.2 dB Dependent on filter bandwidth
Rejection (3.6:1 Shape Factor) 55 60 - dBc Rejection level decreases with lower shape factor
Switching Speed - 200 500 ns 50% TTL to 90%/10% RF
Supply Voltage +4.5 +5.0 +5.5 VDC
+5.0 (±0.5) Volt Supply Current - 50 75 mA
  

Switched Filter Banks with Configurable Frequency Bands

2-7 Channel Standard Switched Filter Banks

Configurable Switched Filter Banks

Offering customer-defined passband frequencies from 20 MHz to 7500 MHz with ultimate rejection up to 20 GHz, API Technologies’ standard line of switched filter banks can be used in a wide variety of applications where cost-efficiency and high performance is required. Their rugged construction makes them ideal for military and high-end commercial applications needing superior signal integrity, including electronic warfare (EW) and electronic intelligence (ELINT). With lead times as fast as four weeks, the configurable solution significantly reduces development cycle time, resulting in cost savings and faster time to market.

These high performance, integrated devices use mechanically channelized PIN diode switch manifolds for lower insertion loss and high isolation, as well as lumped element filters for increased rejection, all in a space efficient footprint. They also feature integrated switch drivers with typical switching speeds of 200 nanoseconds.

The TTL-compatible filter banks optimize several characteristics, such as VSWR and passband flatness, in a compact form factor for increased performance as compared to individual components. By using common switch manifolds and machined housings populated with custom filters, these devices are more cost-effective than fully custom solutions. Additional functionality, including gain compensation and leveling, can be added if required.

API’s switched filter banks have high isolation/rejection ( > 60 dB typical) and operate from a single +5.0V supply. Laser sealing and environmental ESS for high reliability applications as well as RoHS-compliant versions are available.

Learn More:

› Full capabilities overview of Standard and Customizable Switched Filter Banks

› Switched Filter Banks Tour

  

Features & Specifications

Features:
  • Passband frequency 20 – 7500 MHz
  • Low insertion loss of < 5.0 dB
  • Fast switching speed of < 200 nanosecond as typical
  • High rejection > 60 dB typical
  • Small form factor

FILTER EXTRAS

PACKAGE DRAWING

 

EW SOLUTIONS GUIDE