PMI Model TD-A-42T-818 is a Hermetically Sealed Threshold Detector optimized for the 8 to 18GHz Frequency Range. It has an Internally fixed Threshold Level providing a Minimum Signal Level of -42dBm and a Maximum Input VSWR of 2.5:1. The Threshold Setting Stability is constant +/-3.0 dB over the operating temperature and frequency.

Product Specifications

General Parameters:
Status: Active
Frequency Min: 8 GHz
Frequency Max: 18 GHz
Threshold: Fixed
Detected Output Type: TTL
Size: 1.5 x 1.5 x 0.5 Inches
Frequency Range: 8 GHz to 18 GHz
VSWR: 2.5:1 (8-18 GHz)
Weight: 2.0 Ounces
Power Supply: +12V @ 200 mA Maximum
RF Connectors: The Input Signal Connector shall be a SMA Female in accordance with MIL-C-39012. The Output Signal Connection shall be a Solderable Pin (Diameter of 0.023" Minimum) with a Ground Lug next to it.
Threshold Level: Internally fixed to provide a Minimum Signal Level of -42 dBm
Threshold Setting Stability: +/-3.0 dB over the Operating Temperature and Frequency Time
Detected Output: The Detector Output Signal shall be a TTL Level high when the RF Signal applied to the RF Input exceeds the threshold level.
Maximum RF Input: +10 dBm (Without Damage)
Input Operating Range: -30 dBm to -42 dBm (8-18 GHz)
Response Time: For any RF input greater than 3 dB above Threshold. The maximum turn on response time measured at 90% RF to a TTL "1" output shall be 100 uS.
Operating Temperature: -55 ºC to +85 ºC
Non-Operating Temperature: -65 ºC to +125 ºC
Humidity: MIL-STD-202F, Method 103B Cond. B
Shock: MIL-STD-202F, Method 213B Cond. B
Vibration: MIL-STD-202F, Method 204D Cond. B
Altitude: MIL-STD-202F, Method 105C Cond. B
Temperature Cycle: MIL-STD-202F, Method 107D Cond. A