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各式無線發射
Tags
- Avian
- Fish
- Mammal
- Marine Mammal
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Fieldmaster FM-100 Receiver
The FM-100 is a small, durable receiver built for performance
and maximum convenience. It weighs only 0.6 kg (1.25 lbs.) and
measures just 10 cm x 16 cm x 5.5 cm (3.9" x 6.3" x
2.2"). The FM-100 features 100 channels at 10 kHz intervals
in the 140 to 203 MHz range. It has a built-in attenuator for
reducing signal strength at close range and separate audio and
RF gain controls. The FM-100 is powered by six alkaline
batteries providing up to 15 hours of continuous operation. It
has a low battery indicator and will automatically shut down
after 20 minutes to conserve battery power. Included with the
receiver is a convenient belt loop attachment. The FM-100 can
easily attach to a 3-element folding Yagi with an additional
mounting bracket. A 3-element folding Yagi and carrying case are
also available separately for a complete lightweight, easily
manageable receiving system.
Fieldmaster FM-100 Receiver
Specifications
| GENERAL |
| Frequency Range: |
Any specified 1 MHz range from 140 to 203
MHz |
| Channel Spacing: |
10 kHz |
| Input Impedance: |
50 ohms |
| Minimum discernable signal (MDS): |
-150 dBm |
| Noise figure: |
3 dB maximum |
| Speaker: |
8 ohms |
| Frequency stability: |
+/- 1 kHz -20°C to +50°C |
| IF frequency: |
10.7 MHz |
| IF bandwidth: |
6 dB +/- 2.1 kHz; 80 dB +/- 6 kHz |
| RF gain control range: |
40 dB |
| Operating voltage range: |
9 to 15 volts DC |
| CONTROLS |
| Channel selector (2) |
| Audio level |
| RF gain |
| Fine tune control |
| Receiver on/off |
| Attenuator on/off |
| DISPLAYS |
| Battery status: |
Red LED "low batt" indicator |
| Signal level: |
LED meter |
| CONNECTIONS |
| Antenna: |
BNC |
| Headset: |
Receptacle for 0.25" phone plug |
| External power jack: |
Switchcraft #722A |
| POWER |
| 6 "AA" replaceable batteries
(standard) |
| Built-in timer provides automatic shutdown
after 20 minutes |
| PHYSICAL |
| Size: |
10 cm wide x 16 cm long x 5.5 cm high
(4" wide x 5.5" long x 2.2" high ) |
| Weight: |
0.6 kg (1.25 lbs) with batteries |
| Accessories (included): |
Batteries, belt loop, manual |
| ENVIRONMENTAL |
| Operating temperature: |
-20°C to +50C |
| Storage temperature: |
-70°C to +50°C |
| Humidity: |
95% non-condensing |
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