HIGH SENSITIVITY ZERO-BIAS SCHOTTKY
DIODE DETECTORS 100 KHz - 26.5 GHz
FEATURES
• No Bias Required
• Matched Input for Excellent VSWR
• 3 dB More Sensitive (1.0 mV / μW) Than Traditional
Matched Zero Bias Detectors
• Very Wide Dynamic Range, 10 μV to 5V (For Input
Power –50 dBm to +20 dBm)
• Extremely Flat Frequency Response
APPLICATIONS
• Radar Equipment
• Transmitter Monitoring
• Power and Signal Monitori ng
• Missile Guidance Syst ems
• Lab Testing
ENVIRONMENTAL RATINGS
Max Input Power.…………………………..…. 200 mW
Temperature Range…….……………-5 5°C to +100 °C
Shock……………...……….….………… 50G, 11 msec
Vibration..………...…..…….……….. 20G, 100 to 2000
Specifications: (@ +25°C)
CONNECTOR SIIZE (INCHES)
MODEL FREQUENCY
RANGE
(GHz) MAX VSWR MAXIMUM
FLATNESS
(± dB)
LOW LEVEL
SENSITIVITY
(mV / μW)
HIGH
LEVEL
OUPUT @
+13dBm
(V) INPUT OUTPUT LENGTH DIA
DHM020BB 100 KHz - 2.0 GHz
DHM040BB 100 KHz - 4.0 GHz 1.3:1 0.1 (per
100KHz)
0.3 (overall) 1.0 2 BNC (M)) BNC (F) 2.48 0.68
DHM124AA SMA (M) SMA (F) 1.05 0.32
DHM124AB SMA (M) BNC (F) 2.50 0.56
DHM124NB
10 MHz - 12.4 GHz 1.4:1
0.5
1.0 2
N (M) BNC (F) 2.46 0.75
DHMA18AB 1.89 0.39
DHM185AB SMA (M) BNC (F) 2.50 0.56
DHM185AC
10 MHz - 18.5 GHz 1.5:1 0.5 1.0 2
SMA (M) SMC (M) 1.20 0.32
DHM185AA SMA (M) SMA (F) 1.05 0.32
DHM185NB N (M) BNC (F) 2.46 0.75
DHM1857B
10 MHz - 18.5 GHz 1.4:1 0.5 1.0 2
APC-7 BNC (F) 2.59 0.75
DHM265AA SMA (F) 1.05 0.32
DHMA26AB BNC (F) 1.89 0.39
DHM265AC
1.0 2 SMA (M)
SMC (M) 1.20 0.32
DHM2653B BNC (F) 1.89 0.39
DHM2653C
10 MHz - 26.5 GHz
1.5:1 (to 18.5
GHz)
2:1 (to 26.5
GHz)
0.5
(to 18.5 GHz )
1.0
(to 26.5 GHz)
1.0 2
APC 3.5
(M) SMC (M) 1.70 0.38
Note 1: Negative output polarity standard. Add “P” to end of model number for positive output polarity
Note 2: Matched pairs available at extra change for frequency response within +/- 0.3 dB below 18.5 GHz and +/- 0.5 dB from 18.5 to 26.5 GHz. Ad d “M” to end of model number.
For Package Outlines see Outline Drawings Page
HEROTEK, INC. 155 Baytech Drive, San Jose, California 95134
Phone: (408) 941-8399 Fax: (408) 941-8388 Email:info@herotek.com www.herotek.com
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