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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Biased Coaxial Schottky Detectors

Cobham Signal & Control Solutions - Biased Coaxial Schottky Detectors

The ACSP- series of high sensitivity detectors exhibit superior electrical and environmental reliability characteristics. They contain hermetically sealed modules, internal RF matching, DC return, and RF bypass capacitor. In addition, the video port is protected from static or transient voltages. This feature prevents damage due to handling (usually static) or system video transients. Models may be chosen for broadband RF performance or for optimized narrow bands.

Each detector model contains:
  • Input Impedance Matching
  • DC return
  • RF bypass capacitor
  • Detector diode
Applications:
  • Transmitter Monitoring
  • Radar Equipment
  • Missile Guidance Systems
  • Input to Low-Noise Amplifiers
  • Broadband Or Narrowband ECM Receivers
  • Power and Signal Monitors
  • Doppler Radar and Beacon Receivers
  • Matched units available for Multi-channel Receivers, Amplitude Comparator Systems and Discriminators

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Biased Coaxial Schottky Detectors
Part (1)
Number
Frequency
Range
(GHz)
Minimum (2)
Sensitivity
K
(mV/mW)
Flatness
vs
Frequency
(+/-dB)
Typical (2)
TSS
(dBm)
Nominal (4)
Video
Capacitance
(pF)
Standard
Case
Styles
Optional
Case
Styles
ACSP-2517 0.1 - 1 2000 0.28 -52 270 C3 C8,C15,C32
ACSP-2538 0.1 - 2 2000 0.3 -52 270 C3 C8,C15,C32
ACSP-2501 0.5 - 2 2000 0.3 -53 75 C3 C8,C15,C32
ACSP-2630 1 - 4 2000 0.3 -53 39 C3 C8,C15,C32
ACSP-2502 2 - 4 2000 0.2 -53 20 C3 C8,C15,C32
ACSP-2546 2 - 6 2000 0.3 -53 12 C3 C8,C15,C32
ACSP-2656 1 - 6 2000 0.5 -53 12 C3 C8,C15,C32
ACSP-2503 4 - 8 2000 0.3 -53 12 C3 C8,C15,C32
ACSP-2658 0.5 - 12 2000 1.3 -52 75 C3 C8,C15,C32
ACSP-2762 1 - 12 2000 1.5 -51 20 C3 C8,C15,C32
ACSP-2507 2 - 12 2000 1.1 -53 12 C3 C8,C15,C32
ACSP-2504 8 - 12 2100 0.4 -53 12 C3 C8,C15,C32
ACSP-2572 0.5 - 18 1800 1.5 -52 12 C3 C15,C32
ACSP-2759 1 - 18 1500 1.25 -50 20 C3 C15,C32
ACSP-2506 2 - 18 1800 1.5 -51 12 C3 C15,C32
ACSP-2523 6 - 18 1800 1.0 -51 12 C3 C15,C32
ACSP-2505 12 - 18 2000 0.6 -52 12 C3 C15,C32

Notes:

  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. VSWR measured at or below -20dBm input power level.
  4. Video capacitance is used for RF bypass. This value can be changed if required for video response time or other considerations. Contact the factory if value other than those shown are needed.
  5. Standard bias is 100 microamps.
  6. Zero bias schottky versions are available for most of listed biased schottky models with only minor differences in specifications.
  7. a. The zero bias schottky has an impedance of several thousand ohms.
    b. Zero bias schottky detectors exhibit less sensitive TSS due to the high diode impedance (typically a 3dB reduction).
    c. The temperature performance of the zero bias schottky is poor when operating at low input power levels. This difference becomes small at high levels (above 0dBm input power). The part number of zero bias versions includes a "Z" following the polarity indicator.
 

Environmental Specifications:

MIL-E-5400, MIL-STD-202, MIL-E-16400
Operating Temp: -55°C to +125°C
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: +20dBm

Screening:

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-2503NZC3X20
ACSP-2503: Biased Coaxial Schottky Detector, 4 - 8GHz
N: Negative output polarity
Z: Zero bias version (omit for biased version)
C3: Package type
X: No video protection (omit for inclusion of video protection)
20: 20pF custom output capacitance (omit for standard value)