Cobham Signal & Control Solutions

Cobham Signal & Control Solutions (formerly Aeroflex Signal & Control Solutions) is a leading supplier of high performance solid-state RF and microwave components and subsystems.

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Padded Zero Bias Schottky Detector

Cobham Signal & Control Solutions - Padded Zero Bias Schottky Detector

Detectors with internal attenuators are often requested. They are typically used in circuits where an improved RF match is needed or where the power levels applied are higher than is typical for low level detectors. Frequently, they are used in laboratory applications with associated instruments such as broadband power leveling or monitoring. These detectors are all zero bias, making them convenient to use.

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Padded Zero Bias Schottky Detector
Part (1)
ACSP-2579 2 - 4 0.2 -45 6 500 C3 C8,C15
ACSP-2539 0.01 - 8 0.5 -45 6 500 C3 C8,C15,C32
ACSP-2518 7.9 - 8.4 0.1 -45 6 500 C3 C8,C15,C32
ACSP-2519 7.9 - 8.4 0.1 -48 3 1000 C3 C8,C15,C32
ACSP-2663 0.01 - 12.4 0.5/octave -45 6 500 C3 C8,C15,C32
ACSP-2544 0.01 - 18 0.5/octave -45 7 500 C3 C15,C32
ACSP-2551 0.01 - 18 0.5/octave -44 7 400 C3 C15,C32
ACSP-2521 5 - 18 0.5/octave -44 6 500 C3 C15,C32
ACSP-2643 0.01 - 20 0.5/octave -46 3 1000 C3 C15,C32
ACSP-2644 0.01 - 20 1.0 -44 7 500 C3 C15,C32


  1. Available in both negative and positive polarities, substitute "N" or "P" in part number.
  2. Measured into an open circuit load (>10k ohm).
  3. Video protection is available on most models. This feature helps to prevent damage to the detector diode from incidents occurring at the video port. Transient electromagnetic spikes, static contact, or voltage surges can easily damage a detector diode. A video protection diode will clamp the voltage at a value less than the detector breakdown voltage. NOTE: Inclusion of this protection will cause the output voltage to compress and clamp. This occurs at about +10dBm input to the detector. If operation above +10dBm is required then the output protection should be modified or excluded. Adding a suffix "X" at the end of the model number will exclude the video protection feature. Contact the factory for assistance.

Environmental Specifications:

MIL-E-5400, MIL-STD-202, MIL-E-16400
Storage Temp: -65°C to +150°C
Humidity: MIL-STD-202F, M103, Cond B
Shock: MIL-STD-202F, M213, Cond B
Altitude: MIL-STD-202F, M105, Cond B
Vibration : MIL-STD-202F, M204, Cond B
Thermal Shock: MIL-STD-202F, M107, Cond A
Temperature Cycle: MIL-STD-202F, M105C, Cond D
Maximum Input Power: +23dBm


Standard Screening:
Internal Visual per MIL-STD-883, Method 2017
Temperature Cycle: -65°C to +100°C, 10 cycles
Optional High-Rel Screening (Ref MIL-PRF-38534):
Internal Visual per MIL-STD-883, Method 2017
Stabilization Bake per MIL-STD-883, Method 1008
Temperature Cycle per MIL-STD-883, Method 1010
Constant Acceleration per MIL-STD-883, Method 2001
Burn-in per MIL-STD-883, Method 1015
Leak Test per MIL-STD-883, Method 1014
External Visual per MIL-STD-883, Method 2009



Part Number Ordering Information:

Example: ACSP-2663NZC3
ACSP-2663: Padded Zero Bias Schottky Detector, 0.01 - 12.4GHz
N: Negative output polarity
Z: Zero bias
C3: Package type