Advanced Microwave, Inc.www.advmic.com
SUCCESSIVE DETECTION LOG AMPLIFIER (SDLA)
Model: SDLA1128EA

Features: Fast Rise/Fall Time 
 Extremely Small Size 
 Rugged Construction 
 Unique Residual, AM Noise Reduction 
 Designed for Severe Environmental Conditions 
 Thin Film Hybrid Technology 
 Switchable Antijamming Capability 
Applications: EW, ELINT, Receivers 
 DF, Receivers 
 ESM Systems 
 High Speed Radar Detection 

Outline Drawing

  Specifications Rev. A
Frequency Range 1 - 18 GHz

Designed to meet the following Environmental Conditions:

Operating Case Temp.:   -40 to +95°C
Storage Temp.:      -54 to +105°C
Mechanical Shock:
Per MIL-STD-202, Method 213, Cond. B

Vibration:
Per MIL-STD-202, Method 214, Cond. E

Humidity:
Per MIL-STD-202, Method 103, Cond. B

Mechanical: SMA Connectors
Weight:   2.6 oz.
Volume:  0.90 cu in.
Material: S303
Finish: Gold Plating per MIL-G-45204B
Dynamic Range -68 to +5 dBm
TSS -70 dBm max
Input VSWR 2.5:1 max.
Rise Time 9 nsec. typ., 12 nsec.max.
Fall Time 12 nsec. typ., 20 nsec.max.
Recovery Time 80 nsec. max.
Propagation Delay 15 nsec max
Log Accuracy ±1.5 dB max.
(±2.0 dB w. temp)
Video Output Drift over temp and dynamic range -0.04 dB/°C nom

TTL Control Mode (3)

TTL0: DC Couple
TTL1: Pseudo AC Couple
CW Immunity Range: TSS to -30 dBm
Pulse Response: 25 nsec. to 100 µsec.
Droop: 1.0 dB max.(from -65 to -30 dBm)
Log Slope
(into 100 ohm load)  
50 ± 5 mV/dB (1)
Power Supply Operates ±12V to ±15V +12V at 350 mA max
-12V at 100 mA max
DC Offset +100 ±75 mV (2)

RF Output

Linear Gain: 40 dB typ.
Limiting Output: +5 to +10 dBm
Harmonics: -10 dBc max
Maximum Input Level +20 dBm
Flatness (video) ±2.0 dB max. (or ±100 mV)
Baseline Noise 30mv RMS

This product offers the following options:
(1) Slope; 25 mV/dB to 75 mV/dB
(2) DC offset; -100 to +400 mV.
(3) Switchable DC coupled to PSEUDO AC coupled or internally set to one of the above.

Phone: 408.739.4214  -  Fax: 408.739.4148  -  Email: sales@advmic.com