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 Monitoring
• Missile Guidance Systems
• Lab Testing
ENVIRONMENTAL RATINGS
Max Input Power.…………………………..…. 200 mW
Temperature Range…….……………-55
°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. Add “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
Page 1
0603-2-1B
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