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PMI Model Number TD-218-RB is a Threshold Detector optimized
for the 2 to 18 GHz
frequency range. It has an internally fixed threshold level
providing a minimum signal
level of -27 dBm and a maximum input VSWR of 2.75:1.
The threshold setting stability
is constant ± 3.0 dB
over the operating temperature and frequency.

Specifications:
Frequency Range |
2 GHz to 18 GHz |
Input Operating Range |
-32 dBm to -10 dBm (2-18 GHz) |
Input VSWR |
2.75:1 (2-18 GHz) |
Threshold Level |
Internally fixed to provide a minimum signal level of -27
± 1.5 dBm at 6 GHz |
Threshold Setting Stability |
± 3.0 dB over the
operating temperature and frequency range |
Maximum Power Input |
+10 dBm (without damage) |
Detected Output |
The detected output signal shall be a TTL level high when
the RF signal applied to the RF input exceeds the
threshold level. Any signals below the threshold
level shall result in an output level of TTL low (0).
The TTL output shall be buffered in such that output
loading has no effect on detector response. The
detected output shall have a drive capacity of at least
two standard TTL loads. |
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 nS. The maximum turn
off response time measured at 10% RF to a TTL "0" shall
be 100 nS. |
Connectors |
The input signal connector shall be an SMA female in
accordance with MIL-C-39012. The output signal
connection shall be a solderable pin (ø
0.023" Minimum) with a ground lug next to it. The
power connection shall be a solderable pin (ø
0.023" Minimum). |
Power Supply Voltage |
+15V @ 250 mA Maximum |
Size |
1.50" (L) x 1.50" (W) x 0.50" (H) |
Weight |
2.0 Ounces |
Environmental Ratings:
| Our standard
environmental ratings are as follows, for specific
requirements please contact us... |
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Temperature: |
-55 ºC to +85
ºC Operating |
| -65
ºC to +125 ºC Non-Operating |
| 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 |
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Temperature Cycle: |
MIL-STD-202F,
Method 107D Cond. A |
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Outline Drawing:
Click
here to see an outline drawing of TD-218-RB
Product Feature:
Product Feature on
TD-218-RB
Test Data (10/27/04):
Test Data on
TD-218-RB
More Test Data (02/02/05 to
12/19/05):
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(03/25/06):
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(04/27/06):
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(07/06/06):
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(07/21/06):
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More Test Data (08/31/06):
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More Test Data
(02/07/07):
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More Test Data
(01/04/08):
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Data on TD-218-RB

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