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RF/Fiber Optic WDM Transceiver AC231W
Features · 2000 MHz Bandwidth · 1.3 or 1.5 µm DFB Low Noise Laser · High Dynamic Range · WDM for bidirectional transmission · Internal Optical Isolator · Monitoring and Alarm Capability · Laser Disable · Singlemode Fiber Description The AC 231W is a linear, low noise RF fiber optic transceiver designed for fiber optic wireless systems and broadband RF applications. The system is composed of a fully integrated transceiver module designed for wide temperature performance and transmission over a single fiber. The transmitter utilizes a high performance, linear, optically isolated DFB laser operating at 1.3 or 1.5 µm over 9/125 um singlemode fiber. For optimal stability, the laser incorporates average optical power feedback which monitors and actively adjusts the laser for constant power output over temperature and lifetime. Specifications (Tc = 25OC) Parameter Wavelength, peak Bandwidth ( WB option) Frequency Flatness, 8002000 MHz (WA,WB) Input and Output VSWR RF Isolation, In-band (1) Spur Free Dynamic Range (2) RF Link Gain (2) Noise Figure (2) WM option WA option WB option 103 2 The receiver utilizes a broadband, low distortion InGaAs PIN diode photodetector. The RF interface is via a 50 SMA connector and the optical connector is a low reflection FC/APC connector. The frequency response is from 50 to 2000 MHz. The unit requires a single 12 volt DC supply. Options exist for IP3, NF and bandwidth. A laser and received optical power monitor and alarm is provided. An internal WDM permits bidirectional transmission over one fiber. The AC 231W-1.3 transmits at 1.3um and the AC 231W-1.5 transmits at 1.5 um wavelength. Three channel systems are also available. Min 1520 1280 50 +/ 1.5 1.5:1 40 106 0 34 38 42 +22 +26 +29 +2 dB/Hz dB
2/3

Typ 1550 1310

Max 1570 1360 2000 1.8:1

Units nm nm MHz dB --

dB

Input 3rd Order Intercept (2) WM option WA option WB option
Notes: (1) Higher Isolation is available. (2) SFDR, Gain, Noise and IP3 are specified with 1 meter fiber.

dBm

RF/Fiber Optic WDM Transceiver AC231W
Typical Performance SFDR over Optical Loss Spur Free Dynamic Range 2/3 (dB/Hz ) 110 105 100 95 90 85 80 0 4 8 12

Optical loss (dBo)

SFDR over Temperature Spur-Free Dynamic Range 108 106 104 102 100 98 96 94 92 90 -50 -25 0 25
O

(dB/Hz

2/3

)

50

75

100

Temperature ( C)

RF/Fiber Optic WDM Transceiver AC231W
Absolute Maximums Parameter Operating Temperature Storage Temperature Maximum RF Input to Transmitter Maximum Optical Input to Receiver D.C. Supply Voltage Package Schematic
0.35 (8.9)

-30 to +75OC -40 to +85OC +10 dBm 4 mW 12 volts +\-5%

1.125 5.375 (136.5)

0.35 (8.9)

1.125 5.375 (136.5)

0.156 DIA (4.0) 4X Laser Alarm

0.156 DIA (4.0) 4X
FC/APC

DC Optical Power Alarm

FC/APC

Laser Alarm

DC Optical Power Alarm

3.0 (76.2)

2.5 (63.5)

3.0 (76.2)

2.5 (63.5)

SMA Input 5.0 (127)

SMA Output

SMA Input

SMA Output 5.0 (127) 5.75 (146)
12345 6789

5.75 (146)
12345 6789

0.70 (17.8)

0.75 9 pin D, male (19) Dimensions in inches (mm)

0.75 (19)

0.70 (17.8)

0.75 9 pin D, male (19) Dimensions in inches (mm)

0.75 (19)

AC 231W-1.3

AC 231W-1.5

9 pin D Pinout
1. Laser Disable (+12 V = Laser ON) 2. Ground 3. +12 volts (250 mA max) 4. Ground 5. Ground 6. Laser Bias Monitor (0.1 V = 10 mA) 7. Laser Bias Alarm (open collector, 25 mA) 8. Received Power Monitor (1V = 1mW) 9. Received Power Alarm (open collector, 25 mA)

Pinout applies to both modules.

RF/Fiber Optic WDM Transceiver AC231W
Ordering Information Model Number:

AC 231Wx-1.3 (1.3 TX, 1.55 RX) AC 231Wx-1.5 (1.55 TX, 1.3 RX) Description: RF/Fiber Optic WDM Transceiver x designates options M,A or B Options: Three option selected. Option WM: Option WA: Option WB: options exist to set the dynamic range window. The bandwidth changes based on Please consult our applications department for more information. Lowest NF, band-limited Broadband with low NF Broadband with highest IP3

Please consult the Sales Department for other packaging configurations

DANGER
Invisible Laser Radiation. Avoid Direct Exposure to Beam. Maximum Power 50 mW Wavelength 1300 nm Class IIIb Product

Laser Warning: Invisible Laser Radiation emitting from optical connector. Avoid direct exposure to beam. 50 mW max. @ 1310nm abd 1550nm. Class IIIb. Product complies with 21 CFR 1040.10 and 1040.11.

The information is considered to be accurate however to provide the best product possible, Anacom Systems Corporation reserves the right to make changes and improvements to the specifications without notice. 7126-0031

Anacom Systems Corporation

www.anacomsystems.com

techinfo@anacomsystems.com

7/99

100 Jersey Avenue, Bldg. A, New Brunswick, N.J. 08901 · Tel: 732 846-2680 Fax: 732 846-2626