AD6600ST datasheet(7/24 Pages) AD

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REV. 0

–7–

AD6600

AC SPECIFICATIONS (continued)

Test

AD6600AST

Parameter

Temp

Level

Min

Typ

Max

Unit

WORST OTHER SPUR (4th or Higher)

AIN = 70 MHz

@ –1 dBFS

Full

74.5

dBc

@ –6 dBFS

Full

dBc

@ –12 dBFS to –42 dBFS

Full

±6

dBc

AIN = 150 MHz

@ –1 dBFS

Full

dBc

@ –6 dBFS

Full

dBc

@ –12 dBFS to –42 dBFS

Full

±6

dBc

AIN = 200 MHz

@ –1 dBFS

°C

dBc

@ –6 dBFS

Full

dBc

@ –10 dBFS

°C

dBc

@ –12 dBFS to –42 dBFS

Full

±6

dBc

AIN = 250 MHz

@ –1 dBFS

Full

66.5

dBc

@ –6 dBFS

Full

dBc

@ –12 dBFS to –42 dBFS

Full

±6

dBc

NOTES

1AIN,

AIN/BIN, BIN: The AD6600 analog inputs are unconditionally stable and guarantee proper operation over the 70 MHz–250 MHz specified operating range.

Circuit board layout is critical on this device, and proper PCB layout must be employed to achieve specified results.

2Analog Input 3 dB Bandwidth is determined by internal track-and-hold. The front-end attenuators have a bandwidth of 1 GHz.

3Measured real and imaginary values using Network Analyzer.

4Full-scale gain tolerance is the typical variation in gain at a given IF input frequency. The nominal value for full-scale input power is a function of frequency as

shown in previous specification.

5Full-scale gain tolerance measured at 200 MHz analog input referenced to 6.7 dBm nominal full-scale input power. For the gain measurement test, the input signal

level is set to –6 dBFS. Tuning port bandwidth is set to 50 MHz.

6Main channel set to full-scale input power. Diversity channel swept from –20 dBFS to –90 dBFS.

7Measurement includes thermal and quantization noise at 70 MHz analog input. Tuning port bandwidth is set to 50 MHz.

8Test tones at 160.05 MHz and 170.05 MHz.

9Measurements at –1 dFBS, –6 dBFS, and –10 dBFS are in highest attenuation mode, RSSI = 101.

10Each gain-range is checked at ~3 dB from RSSI trip point (not in hysteresis); nominally –16 dBFS (RSSI = 100), –22 dBFS (RSSI = 011), –28 dBFS (RSSI = 010),

–35 dBFS (RSSI = 001).

11Measurement at –54 dBFS is in the lowest attenuation mode, RSSI = 000.

Specifications subject to change without notice.

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