THRESHOLD
DETECTOR
TMJ9912
Features
n
External Threshold Control; Voltage or Resistance
n
-10 dBm to + 10 dBm Input Operating Range
n
Wide 10 MHz to 3000 MHz Bandwidth
Packaging Options
TMJ9912, 5 Pin TO-8 (T5)
TNJ9912, 4 Pin 0.450” Sq. Surface Mount (SM3)
BXJ9912, SMA Connectorized Housing (H6)
Absolute Maximum (No Damage) Ratings
Operating Case Temperature................. - 55 °C to + 125 °C
Storage Temperature............................... -62 °C to + 150 °C
Continuous RF Input Power...................................+ 15 dBm
DC Voltage.............................................................+ 17 Volts
Revision 4/24/2013
Specifications
CHARACTERISTIC
Input Flatness (dB)
P =-10 to + 10 dBm
I
nput VSWR (Max)
Threshold Control Level (V/Ohms)
@ P
IN
= -10 dBm
@ P
IN
= 0 dBm
@ P
IN
= +10 dBm
TYPICAL
Ta= 0 to 60 ºC
+/- 1.0
<1.75:1
0.01 / 530
0.265 / 2.3 K
0.870 / 8.3 K
-
-
-
MIN/MAX
Ta = -55 ºC to +85 ºC
+/- 1.5 Max.
2.2:1 Max.
SCHEMATIC
+12V
-
-
-
DET
Threshold Temp. Stability (dB)
@ P
IN
= -10 dBm
@ P
IN
= 0 dBm
@ P
IN
= +10 dBm
Threshold Hystersis
Voltage Control (dB)
Resistance Control (dB)
Output @ P
IN
= Threshold (V)
Output Short Circuit Current (mA)
Rise Time/Fall Time (ns)
Power
+/- 1.5 Max.
+/- 1.0 Max.
+/- 0.5 Max.
RF IN
.
-
TTL
OUT
REF
<0.1
>1.0
3.2
8
75
-
-
2.7 Min
3.0 Min.
125
THRESHOLD CONTROL
+
.
Vdc
+12
+12
mA
3
5 Max.
Note: Care should always be taken to effectively ground the case of each unit.
Typical Performance Data
Control Voltage & Resistance vs. Input Power
(Volts)
(Ohms)
1.0
V
10 K
8K
800 mV
6K
4K
2K
0K
-15
−10
−5
0
+5
Resistance
Voltage
Input VSWR
2.0
Pin = -10 dBm
600 mV
400 mV
200 mV
0V
+10
1.5
1.0
.01 .5
1.0 1.5 2.0
Frequency (GHz)
2.5 3.0
Input Power (dBm
)
1.5
1.0
0.5
0
-0.5
-1.0
-15 -10
Hysteresis
10 -3000 MHz
Threshold Power (dBm) vs. Frequency
-8
-9
-10
-11
Threshold Control Voltage = +26 mV
Resistor Load on Threshold Terminal
-12
.01 0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
-5
0
Input Power (dBm
)
5
10
Legend
+25 ºC
+85 ºC - - - - - - -55 ºC
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
www.SpectrumMicrowave.com
Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001
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